diff --git a/.github/workflows/cuda.yml b/.github/workflows/cuda.yml
index 389f297249..e93e40eec0 100644
--- a/.github/workflows/cuda.yml
+++ b/.github/workflows/cuda.yml
@@ -1,3 +1,10 @@
+# Copyright 2022
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl
+# License: BSD-3-Clause-LBNL
+
 name: 🐧 CUDA
 
 on: [push, pull_request]
diff --git a/.github/workflows/disabled/macos.yml b/.github/workflows/disabled/macos.yml
index 98ae36db45..5651a2ed67 100644
--- a/.github/workflows/disabled/macos.yml
+++ b/.github/workflows/disabled/macos.yml
@@ -1,3 +1,10 @@
+# Copyright 2020
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet
+# License: BSD-3-Clause-LBNL
+
 name: macos
 
 on: [pull_request]
diff --git a/.github/workflows/hip.yml b/.github/workflows/hip.yml
index 42beb0ee19..f8a8b931f9 100644
--- a/.github/workflows/hip.yml
+++ b/.github/workflows/hip.yml
@@ -1,3 +1,10 @@
+# Copyright 2021-2022
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl
+# License: BSD-3-Clause-LBNL
+
 name: 🐧 HIP
 
 on: [push, pull_request]
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index d82489c4cf..689247d624 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -1,3 +1,10 @@
+# Copyright 2020-2022
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 name: linux
 
 on:
diff --git a/.github/workflows/setup/hip.sh b/.github/workflows/setup/hip.sh
index 74625e5ec9..5c1e98b857 100755
--- a/.github/workflows/setup/hip.sh
+++ b/.github/workflows/setup/hip.sh
@@ -1,4 +1,12 @@
 #!/usr/bin/env bash
+
+# Copyright 2021-2022
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl
+# License: BSD-3-Clause-LBNL
+
 #
 # Copyright 2020 The WarpX Community
 #
diff --git a/.github/workflows/setup/macos.sh b/.github/workflows/setup/macos.sh
index 42998b95d9..22621145ee 100755
--- a/.github/workflows/setup/macos.sh
+++ b/.github/workflows/setup/macos.sh
@@ -1,9 +1,11 @@
 #!/usr/bin/env bash
+
+# Copyright 2020-2021
 #
-# Copyright 2020 The HiPACE++ Community
+# This file is part of HiPACE++.
 #
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
 # License: BSD-3-Clause-LBNL
-# Authors: Axel Huebl
 
 set -eu -o pipefail
 
diff --git a/.github/workflows/setup/macos_omp.sh b/.github/workflows/setup/macos_omp.sh
index be7a9fbc35..055337603d 100755
--- a/.github/workflows/setup/macos_omp.sh
+++ b/.github/workflows/setup/macos_omp.sh
@@ -1,4 +1,12 @@
 #!/usr/bin/env bash
+
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 #
 # Copyright 2020 The HiPACE++ Community
 #
diff --git a/.github/workflows/setup/nvcc11.sh b/.github/workflows/setup/nvcc11.sh
index b02d058e66..e995b8715b 100755
--- a/.github/workflows/setup/nvcc11.sh
+++ b/.github/workflows/setup/nvcc11.sh
@@ -1,4 +1,12 @@
 #!/usr/bin/env bash
+
+# Copyright 2022
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl
+# License: BSD-3-Clause-LBNL
+
 #
 # Copyright 2021-2022 Axel Huebl
 #
diff --git a/.github/workflows/setup/nvhpc.sh b/.github/workflows/setup/nvhpc.sh
index 39b5bf89dc..169b2fc572 100755
--- a/.github/workflows/setup/nvhpc.sh
+++ b/.github/workflows/setup/nvhpc.sh
@@ -1,4 +1,12 @@
 #!/usr/bin/env bash
+
+# Copyright 2022
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl
+# License: BSD-3-Clause-LBNL
+
 #
 # Copyright 2021-2022 Axel Huebl
 #
diff --git a/.github/workflows/setup/ubuntu.sh b/.github/workflows/setup/ubuntu.sh
index 8c25ecab01..2343326226 100755
--- a/.github/workflows/setup/ubuntu.sh
+++ b/.github/workflows/setup/ubuntu.sh
@@ -1,9 +1,12 @@
 #!/usr/bin/env bash
+
+# Copyright 2020-2022
+#
+# This file is part of HiPACE++.
 #
-# Copyright 2020 The HiPACE++ Community
+# Authors: AlexanderSinn, Axel Huebl, MaxThevenet, Severin Diederichs
 #
 # License: BSD-3-Clause-LBNL
-# Authors: Axel Huebl
 
 set -eu -o pipefail
 
diff --git a/.github/workflows/setup/ubuntu_clang.sh b/.github/workflows/setup/ubuntu_clang.sh
index ff2ee2e595..212c59402b 100755
--- a/.github/workflows/setup/ubuntu_clang.sh
+++ b/.github/workflows/setup/ubuntu_clang.sh
@@ -1,9 +1,11 @@
 #!/usr/bin/env bash
+
+# Copyright 2020-2022
 #
-# Copyright 2020-2022 The HiPACE++ Community
+# This file is part of HiPACE++.
 #
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
 # License: BSD-3-Clause-LBNL
-# Authors: Axel Huebl
 
 set -eu -o pipefail
 
diff --git a/.github/workflows/setup/ubuntu_ompi.sh b/.github/workflows/setup/ubuntu_ompi.sh
index 98e4c49071..b70d70fd28 100755
--- a/.github/workflows/setup/ubuntu_ompi.sh
+++ b/.github/workflows/setup/ubuntu_ompi.sh
@@ -1,9 +1,12 @@
 #!/usr/bin/env bash
+
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
 #
-# Copyright 2020 The HiPACE++ Community
+# Authors: AlexanderSinn, Axel Huebl, MaxThevenet, Severin Diederichs
 #
 # License: BSD-3-Clause-LBNL
-# Authors: Axel Huebl
 
 set -eu -o pipefail
 
diff --git a/.github/workflows/setup/ubuntu_ompi_cuda.sh b/.github/workflows/setup/ubuntu_ompi_cuda.sh
index fd0d82359d..989392d73e 100755
--- a/.github/workflows/setup/ubuntu_ompi_cuda.sh
+++ b/.github/workflows/setup/ubuntu_ompi_cuda.sh
@@ -1,9 +1,11 @@
 #!/usr/bin/env bash
+
+# Copyright 2020-2021
 #
-# Copyright 2020 The HiPACE++ Community
+# This file is part of HiPACE++.
 #
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
 # License: BSD-3-Clause-LBNL
-# Authors: Axel Huebl
 
 set -eu -o pipefail
 
diff --git a/.github/workflows/source.yml b/.github/workflows/source.yml
index 945f46f23a..fed244d747 100644
--- a/.github/workflows/source.yml
+++ b/.github/workflows/source.yml
@@ -1,7 +1,8 @@
-# Copyright 2020 Axel Huebl, Maxence Thevenet
+# Copyright 2020-2021
 #
 # This file is part of HiPACE++.
 #
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
 # License: BSD-3-Clause-LBNL
 
 name: source
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 70cc8c04a7..5605a672b1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,3 +1,11 @@
+# Copyright 2020-2022
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, Andrew Myers, Axel Huebl, MaxThevenet
+# Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 # Preamble ####################################################################
 #
 cmake_minimum_required(VERSION 3.18.0)
diff --git a/docs/equations_hipace.tex b/docs/equations_hipace.tex
index 19cd8d7f5b..6ba5d84989 100644
--- a/docs/equations_hipace.tex
+++ b/docs/equations_hipace.tex
@@ -1,3 +1,10 @@
+% Copyright 2021
+%
+% This file is part of HiPACE++.
+%
+% Authors: MaxThevenet, Remi Lehe, Severin Diederichs
+% License: BSD-3-Clause-LBNL
+
 \documentclass{article}
 \usepackage[a4paper, total={6in, 8in}]{geometry}
 \usepackage[utf8]{inputenc}
diff --git a/docs/optimizations.txt b/docs/optimizations.txt
index 53365aa374..22edda07ba 100644
--- a/docs/optimizations.txt
+++ b/docs/optimizations.txt
@@ -1,3 +1,10 @@
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 In order to kick-start HiPACE++, things were done in the simplest way possible, leaving obvious optimizations for later.
 This file lists these easy optimizations, to avoid missing low-hanging fruits.
 
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 6bcee42a36..42e947e2a2 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,10 @@
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 sphinx_rtd_theme>=0.4.0
 recommonmark
 sphinx>=3.0
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 25e2ab1598..8fa5610ec5 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -1,3 +1,10 @@
+# Copyright 2021-2022
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 # Configuration file for the Sphinx documentation builder.
 #
 # This file only contains a selection of the most common options. For a full
diff --git a/examples/beam_in_vacuum/analysis.py b/examples/beam_in_vacuum/analysis.py
index 062ff24c91..1dcc2b12eb 100755
--- a/examples/beam_in_vacuum/analysis.py
+++ b/examples/beam_in_vacuum/analysis.py
@@ -1,8 +1,14 @@
 #! /usr/bin/env python3
 
-# This Python analysis script is part of the code HiPACE++
+# Copyright 2020-2021
 #
-# It compares the transverse field By with the theoretical value, plots both
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
+# This script compares the transverse field By with the theoretical value, plots both
 # the simulation result and the theory on the same plot, and asserts that the
 # difference is small.
 #
diff --git a/examples/beam_in_vacuum/analysis_2ranks.py b/examples/beam_in_vacuum/analysis_2ranks.py
index c8633e2b4f..90192eb4d3 100755
--- a/examples/beam_in_vacuum/analysis_2ranks.py
+++ b/examples/beam_in_vacuum/analysis_2ranks.py
@@ -1,5 +1,13 @@
 #!/usr/bin/env python3
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 import matplotlib.pyplot as plt
 import numpy as np
 import argparse
diff --git a/examples/beam_in_vacuum/analysis_adaptive_ts.py b/examples/beam_in_vacuum/analysis_adaptive_ts.py
index 95535500ca..7e152089d0 100755
--- a/examples/beam_in_vacuum/analysis_adaptive_ts.py
+++ b/examples/beam_in_vacuum/analysis_adaptive_ts.py
@@ -1,5 +1,13 @@
 #! /usr/bin/env python3
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 import numpy as np
 import re
 
diff --git a/examples/beam_in_vacuum/analysis_beam_push.py b/examples/beam_in_vacuum/analysis_beam_push.py
index 691e903935..65fdb3c43b 100755
--- a/examples/beam_in_vacuum/analysis_beam_push.py
+++ b/examples/beam_in_vacuum/analysis_beam_push.py
@@ -1,5 +1,13 @@
 #! /usr/bin/env python3
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 import matplotlib.pyplot as plt
 import matplotlib
 import argparse
diff --git a/examples/beam_in_vacuum/analysis_from_file.py b/examples/beam_in_vacuum/analysis_from_file.py
index df03d60136..dbee4a961e 100755
--- a/examples/beam_in_vacuum/analysis_from_file.py
+++ b/examples/beam_in_vacuum/analysis_from_file.py
@@ -1,8 +1,14 @@
 #! /usr/bin/env python3
 
-# This Python analysis script is part of the code HiPACE++
+# Copyright 2021
 #
-# It is used in the beam from_file test and compares three beams,
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
+# This script is used in the beam from_file test and compares three beams,
 # one from the write_beam script, two from hipace,
 # with each other and asserts if they are different.
 
diff --git a/examples/beam_in_vacuum/analysis_grid_current.py b/examples/beam_in_vacuum/analysis_grid_current.py
index 06de4d8d88..dcb4984fae 100755
--- a/examples/beam_in_vacuum/analysis_grid_current.py
+++ b/examples/beam_in_vacuum/analysis_grid_current.py
@@ -1,8 +1,14 @@
 #! /usr/bin/env python3
 
-# This Python analysis script is part of the code Hipace
+# Copyright 2021
 #
-# It calculates the sum of jz. The beam current and the grid current should cancel each other.
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+# This script calculates the sum of jz.
+# The beam current and the grid current should cancel each other.
 
 import argparse
 import numpy as np
diff --git a/examples/beam_in_vacuum/analysis_transverse.py b/examples/beam_in_vacuum/analysis_transverse.py
index 1480eefb27..c3990d06c6 100755
--- a/examples/beam_in_vacuum/analysis_transverse.py
+++ b/examples/beam_in_vacuum/analysis_transverse.py
@@ -1,8 +1,14 @@
 #! /usr/bin/env python3
 
-# This Python analysis script is part of the code Hipace
+# Copyright 2021
 #
-# It compares the transverse field By from a serial and a parallel simulation
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet
+# License: BSD-3-Clause-LBNL
+
+
+# This script compares the transverse field By from a serial and a parallel simulation
 # with transverse beam currents and asserts that the results are the same
 
 import matplotlib.pyplot as plt
diff --git a/examples/blowout_wake/analysis.py b/examples/blowout_wake/analysis.py
index 8c98b990fd..c5ed184df9 100755
--- a/examples/blowout_wake/analysis.py
+++ b/examples/blowout_wake/analysis.py
@@ -1,8 +1,14 @@
 #! /usr/bin/env python3
 
-# This Python analysis script is part of the code HiPACE++
+# Copyright 2020-2021
 #
-# It compares the transverse field By with the theoretical value, plots both
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
+# This script compares the transverse field By with the theoretical value, plots both
 # the simulation result and the theory on the same plot, and asserts that the
 # difference is small.
 #
diff --git a/examples/blowout_wake/analysis_coarsening.py b/examples/blowout_wake/analysis_coarsening.py
index 7585f2af51..893a606d6d 100755
--- a/examples/blowout_wake/analysis_coarsening.py
+++ b/examples/blowout_wake/analysis_coarsening.py
@@ -1,8 +1,13 @@
 #! /usr/bin/env python3
 
-# This Python analysis script is part of the code Hipace
+# Copyright 2021
 #
-# It compares a field from a simulation with full IO and from a simulation with coarse IO
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn
+# License: BSD-3-Clause-LBNL
+
+# This script compares a field from a simulation with full IO and from a simulation with coarse IO
 
 import matplotlib.pyplot as plt
 import scipy.constants as scc
diff --git a/examples/blowout_wake/analysis_slice_IO.py b/examples/blowout_wake/analysis_slice_IO.py
index a2bc7c7b5f..aef2d71d89 100755
--- a/examples/blowout_wake/analysis_slice_IO.py
+++ b/examples/blowout_wake/analysis_slice_IO.py
@@ -1,8 +1,15 @@
 #! /usr/bin/env python3
 
-# This Python analysis script is part of the code Hipace
+# Copyright 2020-2021
 #
-# It compares a field from a simulation with full IO and from a simulation with only slice IO
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet
+# License: BSD-3-Clause-LBNL
+
+
+# This script compares a field from a simulation with
+# full IO and from a simulation with only slice IO
 
 import matplotlib.pyplot as plt
 import scipy.constants as scc
diff --git a/examples/gaussian_weight/analysis.py b/examples/gaussian_weight/analysis.py
index 1e07725ce1..c1e766c6b3 100755
--- a/examples/gaussian_weight/analysis.py
+++ b/examples/gaussian_weight/analysis.py
@@ -1,5 +1,13 @@
 #!/usr/bin/env python3
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 import matplotlib.pyplot as plt
 import numpy as np
 import scipy.constants as scc
diff --git a/examples/linear_wake/analysis.py b/examples/linear_wake/analysis.py
index 245218a7d9..a1069bd48a 100755
--- a/examples/linear_wake/analysis.py
+++ b/examples/linear_wake/analysis.py
@@ -1,5 +1,14 @@
 #! /usr/bin/env python3
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MathisMewes, MaxThevenet, Severin Diederichs
+#
+# License: BSD-3-Clause-LBNL
+
+
 # This Python analysis script is part of the code Hipace
 #
 # It compares the transverse field By with the theoretical value, plots both
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0972309c8f..4ef18cb823 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,3 +1,11 @@
+# Copyright 2020
+#
+# This file is part of HiPACE++.
+#
+# Authors: Andrew Myers, Axel Huebl, MaxThevenet, Severin Diederichs
+# atmyers
+# License: BSD-3-Clause-LBNL
+
 target_sources(HiPACE
   PRIVATE
     main.cpp
diff --git a/src/Hipace.H b/src/Hipace.H
index f7f9d65927..3e6c8c25a6 100644
--- a/src/Hipace.H
+++ b/src/Hipace.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, Axel Huebl, MaxThevenet
+ * Remi Lehe, Severin Diederichs, WeiqunZhang
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_H_
 #define HIPACE_H_
 
diff --git a/src/Hipace.cpp b/src/Hipace.cpp
index 78a0fc6a70..116ae700d8 100644
--- a/src/Hipace.cpp
+++ b/src/Hipace.cpp
@@ -1,3 +1,12 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, Axel Huebl, MaxThevenet
+ * Remi Lehe, Severin Diederichs, WeiqunZhang, coulibaly-mouhamed
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 #include "Hipace.H"
 #include "utils/HipaceProfilerWrapper.H"
 #include "particles/SliceSort.H"
diff --git a/src/diagnostics/CMakeLists.txt b/src/diagnostics/CMakeLists.txt
index 1e73ebcfb4..e12dad7d71 100644
--- a/src/diagnostics/CMakeLists.txt
+++ b/src/diagnostics/CMakeLists.txt
@@ -1,3 +1,10 @@
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 target_sources(HiPACE
   PRIVATE
     OpenPMDWriter.cpp
diff --git a/src/diagnostics/Diagnostic.H b/src/diagnostics/Diagnostic.H
index d46b762986..26ba4f8999 100644
--- a/src/diagnostics/Diagnostic.H
+++ b/src/diagnostics/Diagnostic.H
@@ -1,3 +1,10 @@
+/* Copyright 2021-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef DIAGNOSTIC_H_
 #define DIAGNOSTIC_H_
 
diff --git a/src/diagnostics/Diagnostic.cpp b/src/diagnostics/Diagnostic.cpp
index f5b8ac3ba0..0f407fdb75 100644
--- a/src/diagnostics/Diagnostic.cpp
+++ b/src/diagnostics/Diagnostic.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2021-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "Diagnostic.H"
 #include "Hipace.H"
 #include <AMReX_ParmParse.H>
diff --git a/src/diagnostics/OpenPMDWriter.H b/src/diagnostics/OpenPMDWriter.H
index ffac732144..4450c6c753 100644
--- a/src/diagnostics/OpenPMDWriter.H
+++ b/src/diagnostics/OpenPMDWriter.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef OPENPMDWRITER_H_
 #define OPENPMDWRITER_H_
 
diff --git a/src/diagnostics/OpenPMDWriter.cpp b/src/diagnostics/OpenPMDWriter.cpp
index 68867bc57d..ee5385bf43 100644
--- a/src/diagnostics/OpenPMDWriter.cpp
+++ b/src/diagnostics/OpenPMDWriter.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "diagnostics/OpenPMDWriter.H"
 #include "fields/Fields.H"
 #include "utils/HipaceProfilerWrapper.H"
diff --git a/src/fields/CMakeLists.txt b/src/fields/CMakeLists.txt
index dc18ffe81f..af1cbd678b 100644
--- a/src/fields/CMakeLists.txt
+++ b/src/fields/CMakeLists.txt
@@ -1,3 +1,10 @@
+# Copyright 2020
+#
+# This file is part of HiPACE++.
+#
+# Authors: Andrew Myers, MaxThevenet, Remi Lehe
+# License: BSD-3-Clause-LBNL
+
 target_sources(HiPACE
   PRIVATE
     Fields.cpp
diff --git a/src/fields/Fields.H b/src/fields/Fields.H
index df3636f49a..3e73774fff 100644
--- a/src/fields/Fields.H
+++ b/src/fields/Fields.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Axel Huebl, MaxThevenet, Remi Lehe
+ * Severin Diederichs, WeiqunZhang, coulibaly-mouhamed
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef FIELDS_H_
 #define FIELDS_H_
 
diff --git a/src/fields/Fields.cpp b/src/fields/Fields.cpp
index 9822688f18..386f7db0f5 100644
--- a/src/fields/Fields.cpp
+++ b/src/fields/Fields.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs, WeiqunZhang
+ * coulibaly-mouhamed
+ * License: BSD-3-Clause-LBNL
+ */
 #include "Fields.H"
 #include "fft_poisson_solver/FFTPoissonSolverPeriodic.H"
 #include "fft_poisson_solver/FFTPoissonSolverDirichlet.H"
diff --git a/src/fields/fft_poisson_solver/CMakeLists.txt b/src/fields/fft_poisson_solver/CMakeLists.txt
index 3d46374dfc..4fe3bbaed4 100644
--- a/src/fields/fft_poisson_solver/CMakeLists.txt
+++ b/src/fields/fft_poisson_solver/CMakeLists.txt
@@ -1,3 +1,10 @@
+# Copyright 2020
+#
+# This file is part of HiPACE++.
+#
+# Authors: Andrew Myers, MaxThevenet, Remi Lehe
+# License: BSD-3-Clause-LBNL
+
 target_sources(HiPACE
   PRIVATE
     FFTPoissonSolver.cpp
diff --git a/src/fields/fft_poisson_solver/FFTPoissonSolver.H b/src/fields/fft_poisson_solver/FFTPoissonSolver.H
index d5e7fee5ca..6089c8faca 100644
--- a/src/fields/fft_poisson_solver/FFTPoissonSolver.H
+++ b/src/fields/fft_poisson_solver/FFTPoissonSolver.H
@@ -1,3 +1,11 @@
+/* Copyright 2020
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl, MaxThevenet, Remi Lehe, WeiqunZhang
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef FFT_POISSON_SOLVER_H_
 #define FFT_POISSON_SOLVER_H_
 
diff --git a/src/fields/fft_poisson_solver/FFTPoissonSolver.cpp b/src/fields/fft_poisson_solver/FFTPoissonSolver.cpp
index 8fba4020c3..57af458411 100644
--- a/src/fields/fft_poisson_solver/FFTPoissonSolver.cpp
+++ b/src/fields/fft_poisson_solver/FFTPoissonSolver.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Remi Lehe, WeiqunZhang
+ * License: BSD-3-Clause-LBNL
+ */
 #include "FFTPoissonSolver.H"
 
 FFTPoissonSolver::~FFTPoissonSolver ()
diff --git a/src/fields/fft_poisson_solver/FFTPoissonSolverDirichlet.H b/src/fields/fft_poisson_solver/FFTPoissonSolverDirichlet.H
index 61682605f0..48d5be00df 100644
--- a/src/fields/fft_poisson_solver/FFTPoissonSolverDirichlet.H
+++ b/src/fields/fft_poisson_solver/FFTPoissonSolverDirichlet.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef FFT_POISSON_SOLVER_DIRICHLET_H_
 #define FFT_POISSON_SOLVER_DIRICHLET_H_
 
diff --git a/src/fields/fft_poisson_solver/FFTPoissonSolverDirichlet.cpp b/src/fields/fft_poisson_solver/FFTPoissonSolverDirichlet.cpp
index 2994e73140..ec2f1e0f18 100644
--- a/src/fields/fft_poisson_solver/FFTPoissonSolverDirichlet.cpp
+++ b/src/fields/fft_poisson_solver/FFTPoissonSolverDirichlet.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Axel Huebl, MaxThevenet, Severin Diederichs
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 #include "FFTPoissonSolverDirichlet.H"
 #include "fft/AnyDST.H"
 #include "utils/Constants.H"
diff --git a/src/fields/fft_poisson_solver/FFTPoissonSolverPeriodic.H b/src/fields/fft_poisson_solver/FFTPoissonSolverPeriodic.H
index dfdb219d95..35092c8a88 100644
--- a/src/fields/fft_poisson_solver/FFTPoissonSolverPeriodic.H
+++ b/src/fields/fft_poisson_solver/FFTPoissonSolverPeriodic.H
@@ -1,3 +1,11 @@
+/* Copyright 2020
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl, MaxThevenet, Remi Lehe, WeiqunZhang
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef FFT_POISSON_SOLVER_PERIODIC_H_
 #define FFT_POISSON_SOLVER_PERIODIC_H_
 
diff --git a/src/fields/fft_poisson_solver/FFTPoissonSolverPeriodic.cpp b/src/fields/fft_poisson_solver/FFTPoissonSolverPeriodic.cpp
index 64b98dee55..32102c4cf2 100644
--- a/src/fields/fft_poisson_solver/FFTPoissonSolverPeriodic.cpp
+++ b/src/fields/fft_poisson_solver/FFTPoissonSolverPeriodic.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Axel Huebl, MaxThevenet, Remi Lehe
+ * WeiqunZhang
+ * License: BSD-3-Clause-LBNL
+ */
 #include "FFTPoissonSolverPeriodic.H"
 #include "fft/AnyFFT.H"
 #include "utils/Constants.H"
diff --git a/src/fields/fft_poisson_solver/fft/AnyDST.H b/src/fields/fft_poisson_solver/fft/AnyDST.H
index 3ae42befdd..c102f2b069 100644
--- a/src/fields/fft_poisson_solver/fft/AnyDST.H
+++ b/src/fields/fft_poisson_solver/fft/AnyDST.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef ANYDST_H_
 #define ANYDST_H_
 
diff --git a/src/fields/fft_poisson_solver/fft/AnyFFT.H b/src/fields/fft_poisson_solver/fft/AnyFFT.H
index 328a6a3add..79727ab166 100644
--- a/src/fields/fft_poisson_solver/fft/AnyFFT.H
+++ b/src/fields/fft_poisson_solver/fft/AnyFFT.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl, MaxThevenet, Remi Lehe, Severin Diederichs
+ * WeiqunZhang
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2019-2020
  *
  * This file is part of WarpX.
diff --git a/src/fields/fft_poisson_solver/fft/CMakeLists.txt b/src/fields/fft_poisson_solver/fft/CMakeLists.txt
index 5dd88365c9..e89ecd84f3 100644
--- a/src/fields/fft_poisson_solver/fft/CMakeLists.txt
+++ b/src/fields/fft_poisson_solver/fft/CMakeLists.txt
@@ -1,3 +1,10 @@
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Remi Lehe
+# License: BSD-3-Clause-LBNL
+
 if (HiPACE_COMPUTE STREQUAL CUDA)
   target_sources(HiPACE
     PRIVATE
diff --git a/src/fields/fft_poisson_solver/fft/CuFFTUtils.H b/src/fields/fft_poisson_solver/fft/CuFFTUtils.H
index 1b6e973d5a..01daf5c2b9 100644
--- a/src/fields/fft_poisson_solver/fft/CuFFTUtils.H
+++ b/src/fields/fft_poisson_solver/fft/CuFFTUtils.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl, MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef CUFFTUTILS_H_
 #define CUFFTUTILS_H_
 
diff --git a/src/fields/fft_poisson_solver/fft/CuFFTUtils.cpp b/src/fields/fft_poisson_solver/fft/CuFFTUtils.cpp
index 3456baa498..090dcf2b9c 100644
--- a/src/fields/fft_poisson_solver/fft/CuFFTUtils.cpp
+++ b/src/fields/fft_poisson_solver/fft/CuFFTUtils.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 #include "CuFFTUtils.H"
 
 #include <map>
diff --git a/src/fields/fft_poisson_solver/fft/RocFFTUtils.H b/src/fields/fft_poisson_solver/fft/RocFFTUtils.H
index 32a40fe077..7f18dc4ba1 100644
--- a/src/fields/fft_poisson_solver/fft/RocFFTUtils.H
+++ b/src/fields/fft_poisson_solver/fft/RocFFTUtils.H
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef ROCFFTUTILS_H_
 #define ROCFFTUTILS_H_
 
diff --git a/src/fields/fft_poisson_solver/fft/RocFFTUtils.cpp b/src/fields/fft_poisson_solver/fft/RocFFTUtils.cpp
index 583ca5abae..5c6f3d68ed 100644
--- a/src/fields/fft_poisson_solver/fft/RocFFTUtils.cpp
+++ b/src/fields/fft_poisson_solver/fft/RocFFTUtils.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl
+ * License: BSD-3-Clause-LBNL
+ */
 #include "RocFFTUtils.H"
 #include <AMReX.H>
 
diff --git a/src/fields/fft_poisson_solver/fft/WrapCuDST.cpp b/src/fields/fft_poisson_solver/fft/WrapCuDST.cpp
index c043124ac3..a2e0b6ff1f 100644
--- a/src/fields/fft_poisson_solver/fft/WrapCuDST.cpp
+++ b/src/fields/fft_poisson_solver/fft/WrapCuDST.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "AnyDST.H"
 #include "CuFFTUtils.H"
 #include "utils/HipaceProfilerWrapper.H"
diff --git a/src/fields/fft_poisson_solver/fft/WrapCuFFT.cpp b/src/fields/fft_poisson_solver/fft/WrapCuFFT.cpp
index 1505748a8b..2c56633c32 100644
--- a/src/fields/fft_poisson_solver/fft/WrapCuFFT.cpp
+++ b/src/fields/fft_poisson_solver/fft/WrapCuFFT.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Remi Lehe, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2019-2020
  *
  * This file is part of WarpX.
diff --git a/src/fields/fft_poisson_solver/fft/WrapDSTW.cpp b/src/fields/fft_poisson_solver/fft/WrapDSTW.cpp
index 846bc9cd18..84464db3ce 100644
--- a/src/fields/fft_poisson_solver/fft/WrapDSTW.cpp
+++ b/src/fields/fft_poisson_solver/fft/WrapDSTW.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "AnyDST.H"
 #include "utils/HipaceProfilerWrapper.H"
 
diff --git a/src/fields/fft_poisson_solver/fft/WrapFFTW.cpp b/src/fields/fft_poisson_solver/fft/WrapFFTW.cpp
index 448f62ca78..1cdbc64d00 100644
--- a/src/fields/fft_poisson_solver/fft/WrapFFTW.cpp
+++ b/src/fields/fft_poisson_solver/fft/WrapFFTW.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Remi Lehe
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2019-2020
  *
  * This file is part of WarpX.
diff --git a/src/fields/fft_poisson_solver/fft/WrapRocDST.cpp b/src/fields/fft_poisson_solver/fft/WrapRocDST.cpp
index 0d1fa891f9..886ecf8e39 100644
--- a/src/fields/fft_poisson_solver/fft/WrapRocDST.cpp
+++ b/src/fields/fft_poisson_solver/fft/WrapRocDST.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2021-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Axel Huebl, MaxThevenet, Severin Diederichs
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 #include "AnyDST.H"
 #include "RocFFTUtils.H"
 #include "utils/HipaceProfilerWrapper.H"
diff --git a/src/fields/fft_poisson_solver/fft/WrapRocFFT.cpp b/src/fields/fft_poisson_solver/fft/WrapRocFFT.cpp
index 748e60af85..84738465f4 100644
--- a/src/fields/fft_poisson_solver/fft/WrapRocFFT.cpp
+++ b/src/fields/fft_poisson_solver/fft/WrapRocFFT.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2019-2020
  *
  * This file is part of WarpX.
diff --git a/src/main.cpp b/src/main.cpp
index af02b8de4e..855ae6a3ce 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Axel Huebl, MaxThevenet, Weiqun Zhang
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 
 #include "Hipace.H"
 #include "utils/HipaceProfilerWrapper.H"
diff --git a/src/particles/BeamParticleContainer.H b/src/particles/BeamParticleContainer.H
index 221b019038..80231a9633 100644
--- a/src/particles/BeamParticleContainer.H
+++ b/src/particles/BeamParticleContainer.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, Axel Huebl, MaxThevenet
+ * Remi Lehe, Severin Diederichs, atmyers
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_BeamParticleContainer_H_
 #define HIPACE_BeamParticleContainer_H_
 
diff --git a/src/particles/BeamParticleContainer.cpp b/src/particles/BeamParticleContainer.cpp
index b00444ee06..49f980568f 100644
--- a/src/particles/BeamParticleContainer.cpp
+++ b/src/particles/BeamParticleContainer.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, MaxThevenet, Remi Lehe
+ * Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "BeamParticleContainer.H"
 #include "utils/Constants.H"
 #include "Hipace.H"
diff --git a/src/particles/BeamParticleContainerInit.cpp b/src/particles/BeamParticleContainerInit.cpp
index 3fdb8172e6..9eaaf76cf6 100644
--- a/src/particles/BeamParticleContainerInit.cpp
+++ b/src/particles/BeamParticleContainerInit.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, Axel Huebl, MaxThevenet
+ * Severin Diederichs, Weiqun Zhang
+ * License: BSD-3-Clause-LBNL
+ */
 #include "BeamParticleContainer.H"
 #include "utils/Constants.H"
 #include "ParticleUtil.H"
diff --git a/src/particles/BoxSort.H b/src/particles/BoxSort.H
index bbaae5c849..118df3b5a3 100644
--- a/src/particles/BoxSort.H
+++ b/src/particles/BoxSort.H
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_BoxSort_H_
 #define HIPACE_BoxSort_H_
 
diff --git a/src/particles/BoxSort.cpp b/src/particles/BoxSort.cpp
index 5eac417b9e..d6876fa784 100644
--- a/src/particles/BoxSort.cpp
+++ b/src/particles/BoxSort.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 #include "BoxSort.H"
 
 #include <AMReX_ParticleTransformation.H>
diff --git a/src/particles/CMakeLists.txt b/src/particles/CMakeLists.txt
index 09f9800c5b..d665319b0d 100644
--- a/src/particles/CMakeLists.txt
+++ b/src/particles/CMakeLists.txt
@@ -1,3 +1,11 @@
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Andrew Myers, Axel Huebl, MaxThevenet, Remi Lehe
+# Severin Diederichs, atmyers
+# License: BSD-3-Clause-LBNL
+
 target_sources(HiPACE
   PRIVATE
     BeamParticleContainer.cpp
diff --git a/src/particles/ExternalFields.H b/src/particles/ExternalFields.H
index 225bb5b1b0..de47f06c68 100644
--- a/src/particles/ExternalFields.H
+++ b/src/particles/ExternalFields.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef EXTERNALFIELDS_H_
 #define EXTERNALFIELDS_H_
 
diff --git a/src/particles/MultiBeam.H b/src/particles/MultiBeam.H
index e1870e9d67..2955fdb0e4 100644
--- a/src/particles/MultiBeam.H
+++ b/src/particles/MultiBeam.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef MULTIBEAM_H_
 #define MULTIBEAM_H_
 
diff --git a/src/particles/MultiBeam.cpp b/src/particles/MultiBeam.cpp
index 9fc549abba..88c605376d 100644
--- a/src/particles/MultiBeam.cpp
+++ b/src/particles/MultiBeam.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "MultiBeam.H"
 #include "deposition/BeamDepositCurrent.H"
 #include "particles/SliceSort.H"
diff --git a/src/particles/MultiPlasma.H b/src/particles/MultiPlasma.H
index 6aa9936499..0d094bb5ca 100644
--- a/src/particles/MultiPlasma.H
+++ b/src/particles/MultiPlasma.H
@@ -1,3 +1,10 @@
+/* Copyright 2021-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef MULTIPLASMA_H_
 #define MULTIPLASMA_H_
 
diff --git a/src/particles/MultiPlasma.cpp b/src/particles/MultiPlasma.cpp
index 6635d08b4c..9b7eeaf215 100644
--- a/src/particles/MultiPlasma.cpp
+++ b/src/particles/MultiPlasma.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2021-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "MultiPlasma.H"
 #include "particles/deposition/PlasmaDepositCurrent.H"
 #include "particles/pusher/PlasmaParticleAdvance.H"
diff --git a/src/particles/ParticleUtil.H b/src/particles/ParticleUtil.H
index 49b6a2e216..c6fac8ec2a 100644
--- a/src/particles/ParticleUtil.H
+++ b/src/particles/ParticleUtil.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Andrew Myers, MaxThevenet, Remi Lehe, Severin Diederichs
+ * Weiqun Zhang
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_ParticleUtil_H_
 #define HIPACE_ParticleUtil_H_
 
diff --git a/src/particles/PlasmaParticleContainer.H b/src/particles/PlasmaParticleContainer.H
index 9e2d4705ac..bb21a010f9 100644
--- a/src/particles/PlasmaParticleContainer.H
+++ b/src/particles/PlasmaParticleContainer.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, Axel Huebl, MaxThevenet
+ * Severin Diederichs, atmyers, Angel Ferran Pousa
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_PlasmaParticleContainer_H_
 #define HIPACE_PlasmaParticleContainer_H_
 
diff --git a/src/particles/PlasmaParticleContainer.cpp b/src/particles/PlasmaParticleContainer.cpp
index e215dd6cdd..1dae5a3668 100644
--- a/src/particles/PlasmaParticleContainer.cpp
+++ b/src/particles/PlasmaParticleContainer.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, MaxThevenet, Severin Diederichs
+ * Weiqun Zhang, Angel Ferran Pousa
+ * License: BSD-3-Clause-LBNL
+ */
 #include "Hipace.H"
 #include "PlasmaParticleContainer.H"
 #include "utils/HipaceProfilerWrapper.H"
diff --git a/src/particles/PlasmaParticleContainerInit.cpp b/src/particles/PlasmaParticleContainerInit.cpp
index 4602f9b7a3..e4119a0021 100644
--- a/src/particles/PlasmaParticleContainerInit.cpp
+++ b/src/particles/PlasmaParticleContainerInit.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, Axel Huebl, MaxThevenet
+ * Severin Diederichs, Weiqun Zhang
+ * License: BSD-3-Clause-LBNL
+ */
 #include "PlasmaParticleContainer.H"
 #include "utils/Constants.H"
 #include "ParticleUtil.H"
diff --git a/src/particles/ShapeFactors.H b/src/particles/ShapeFactors.H
index 04b3696b2e..54b537c646 100644
--- a/src/particles/ShapeFactors.H
+++ b/src/particles/ShapeFactors.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, MaxThevenet, Remi Lehe
+ * Severin Diederichs, WeiqunZhang
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2019 Maxence Thevenet
  *
  * This file is part of WarpX.
diff --git a/src/particles/SliceSort.H b/src/particles/SliceSort.H
index fa5e8f5235..acf9970acf 100644
--- a/src/particles/SliceSort.H
+++ b/src/particles/SliceSort.H
@@ -1,3 +1,10 @@
+/* Copyright 2021-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_SLICESORT_H_
 #define HIPACE_SLICESORT_H_
 
diff --git a/src/particles/SliceSort.cpp b/src/particles/SliceSort.cpp
index 2bd1b25dc5..427e4b109d 100644
--- a/src/particles/SliceSort.cpp
+++ b/src/particles/SliceSort.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2021-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "SliceSort.H"
 #include "utils/HipaceProfilerWrapper.H"
 #include "Hipace.H"
diff --git a/src/particles/TileSort.H b/src/particles/TileSort.H
index 716cc8bb03..cf84680c54 100644
--- a/src/particles/TileSort.H
+++ b/src/particles/TileSort.H
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_TILESORT_H_
 #define HIPACE_TILESORT_H_
 
diff --git a/src/particles/TileSort.cpp b/src/particles/TileSort.cpp
index 11e6f82aae..8815980cf1 100644
--- a/src/particles/TileSort.cpp
+++ b/src/particles/TileSort.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2021-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl, MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 #include "TileSort.H"
 #include "utils/HipaceProfilerWrapper.H"
 
diff --git a/src/particles/deposition/BeamDepositCurrent.H b/src/particles/deposition/BeamDepositCurrent.H
index 5631fa0972..86d602c6e6 100644
--- a/src/particles/deposition/BeamDepositCurrent.H
+++ b/src/particles/deposition/BeamDepositCurrent.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Remi Lehe, Severin Diederichs
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef BEAMDEPOSITCURRENT_H_
 #define BEAMDEPOSITCURRENT_H_
 
diff --git a/src/particles/deposition/BeamDepositCurrent.cpp b/src/particles/deposition/BeamDepositCurrent.cpp
index da6e58c96b..30bbe5fdbd 100644
--- a/src/particles/deposition/BeamDepositCurrent.cpp
+++ b/src/particles/deposition/BeamDepositCurrent.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, MaxThevenet, Remi Lehe
+ * Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "BeamDepositCurrent.H"
 #include "particles/BeamParticleContainer.H"
 #include "particles/deposition/BeamDepositCurrentInner.H"
diff --git a/src/particles/deposition/BeamDepositCurrentInner.H b/src/particles/deposition/BeamDepositCurrentInner.H
index e48fe2182d..689e6a6bf5 100644
--- a/src/particles/deposition/BeamDepositCurrentInner.H
+++ b/src/particles/deposition/BeamDepositCurrentInner.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Axel Huebl, MaxThevenet, Remi Lehe
+ * Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2019 Axel Huebl, David Grote, Maxence Thevenet
  * Remi Lehe, Weiqun Zhang, Michael Rowan
  *
diff --git a/src/particles/deposition/CMakeLists.txt b/src/particles/deposition/CMakeLists.txt
index cc46753770..763f0f8ac8 100644
--- a/src/particles/deposition/CMakeLists.txt
+++ b/src/particles/deposition/CMakeLists.txt
@@ -1,3 +1,10 @@
+# Copyright 2020
+#
+# This file is part of HiPACE++.
+#
+# Authors: Andrew Myers, MaxThevenet, Remi Lehe
+# License: BSD-3-Clause-LBNL
+
 target_sources(HiPACE
   PRIVATE
     BeamDepositCurrent.cpp
diff --git a/src/particles/deposition/PlasmaDepositCurrent.H b/src/particles/deposition/PlasmaDepositCurrent.H
index eb267a83b5..bb86abf690 100644
--- a/src/particles/deposition/PlasmaDepositCurrent.H
+++ b/src/particles/deposition/PlasmaDepositCurrent.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef PLASMADEPOSITCURRENT_H_
 #define PLASMADEPOSITCURRENT_H_
 
diff --git a/src/particles/deposition/PlasmaDepositCurrent.cpp b/src/particles/deposition/PlasmaDepositCurrent.cpp
index 4af7d11a03..678b0b6c91 100644
--- a/src/particles/deposition/PlasmaDepositCurrent.cpp
+++ b/src/particles/deposition/PlasmaDepositCurrent.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "PlasmaDepositCurrent.H"
 
 #include "particles/PlasmaParticleContainer.H"
diff --git a/src/particles/deposition/PlasmaDepositCurrentInner.H b/src/particles/deposition/PlasmaDepositCurrentInner.H
index a1f5ae479a..7631971919 100644
--- a/src/particles/deposition/PlasmaDepositCurrentInner.H
+++ b/src/particles/deposition/PlasmaDepositCurrentInner.H
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, MaxThevenet, Severin Diederichs
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2019 Axel Huebl, David Grote, Maxence Thevenet
  * Remi Lehe, Weiqun Zhang, Michael Rowan
  *
diff --git a/src/particles/profiles/CMakeLists.txt b/src/particles/profiles/CMakeLists.txt
index f5b3be47b1..50e01479d2 100644
--- a/src/particles/profiles/CMakeLists.txt
+++ b/src/particles/profiles/CMakeLists.txt
@@ -1,3 +1,10 @@
+# Copyright 2020
+#
+# This file is part of HiPACE++.
+#
+# Authors: Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 target_sources(HiPACE
   PRIVATE
     GetInitialDensity.cpp
diff --git a/src/particles/profiles/GetInitialDensity.H b/src/particles/profiles/GetInitialDensity.H
index 3b3957af2c..e9984c9478 100644
--- a/src/particles/profiles/GetInitialDensity.H
+++ b/src/particles/profiles/GetInitialDensity.H
@@ -1,3 +1,10 @@
+/* Copyright 2020
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef GETINTIALDENSITY_H_
 #define GETINTIALDENSITY_H_
 
diff --git a/src/particles/profiles/GetInitialDensity.cpp b/src/particles/profiles/GetInitialDensity.cpp
index 58cf2e7fa4..8be3818870 100644
--- a/src/particles/profiles/GetInitialDensity.cpp
+++ b/src/particles/profiles/GetInitialDensity.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "GetInitialDensity.H"
 #include "utils/Parser.H"
 
diff --git a/src/particles/profiles/GetInitialMomentum.H b/src/particles/profiles/GetInitialMomentum.H
index 25afa5da5a..147ae36bbd 100644
--- a/src/particles/profiles/GetInitialMomentum.H
+++ b/src/particles/profiles/GetInitialMomentum.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs, Weiqun Zhang
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef GETINTIALMOMENTUM_H_
 #define GETINTIALMOMENTUM_H_
 
diff --git a/src/particles/profiles/GetInitialMomentum.cpp b/src/particles/profiles/GetInitialMomentum.cpp
index 41a8d6bb64..fd335f5d0c 100644
--- a/src/particles/profiles/GetInitialMomentum.cpp
+++ b/src/particles/profiles/GetInitialMomentum.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "GetInitialMomentum.H"
 #include "utils/Parser.H"
 
diff --git a/src/particles/pusher/BeamParticleAdvance.H b/src/particles/pusher/BeamParticleAdvance.H
index a1e32043aa..a4ea48cb66 100644
--- a/src/particles/pusher/BeamParticleAdvance.H
+++ b/src/particles/pusher/BeamParticleAdvance.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef BEAMPARTICLEADVANCE_H_
 #define BEAMPARTICLEADVANCE_H_
 
diff --git a/src/particles/pusher/BeamParticleAdvance.cpp b/src/particles/pusher/BeamParticleAdvance.cpp
index 2f83961b6d..2b31d0810b 100644
--- a/src/particles/pusher/BeamParticleAdvance.cpp
+++ b/src/particles/pusher/BeamParticleAdvance.cpp
@@ -1,3 +1,11 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Andrew Myers, MaxThevenet, Severin Diederichs
+ *
+ * License: BSD-3-Clause-LBNL
+ */
 #include "BeamParticleAdvance.H"
 #include "particles/ExternalFields.H"
 #include "FieldGather.H"
diff --git a/src/particles/pusher/CMakeLists.txt b/src/particles/pusher/CMakeLists.txt
index 0b41becb51..ed7a122906 100644
--- a/src/particles/pusher/CMakeLists.txt
+++ b/src/particles/pusher/CMakeLists.txt
@@ -1,3 +1,10 @@
+# Copyright 2020
+#
+# This file is part of HiPACE++.
+#
+# Authors: Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 target_sources(HiPACE
   PRIVATE
     PlasmaParticleAdvance.cpp
diff --git a/src/particles/pusher/FieldGather.H b/src/particles/pusher/FieldGather.H
index 54c035ca40..0cca7b492f 100644
--- a/src/particles/pusher/FieldGather.H
+++ b/src/particles/pusher/FieldGather.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2019 Axel Huebl, David Grote, Maxence Thevenet
  * Revathi Jambunathan, Weiqun Zhang
  *
diff --git a/src/particles/pusher/GetAndSetPosition.H b/src/particles/pusher/GetAndSetPosition.H
index ca8d7c308d..8883affd0b 100644
--- a/src/particles/pusher/GetAndSetPosition.H
+++ b/src/particles/pusher/GetAndSetPosition.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2019 David Grote, Maxence Thevenet, Remi Lehe
  * Weiqun Zhang
  *
diff --git a/src/particles/pusher/GetDomainLev.H b/src/particles/pusher/GetDomainLev.H
index e4725a3fca..d2a1cfd422 100644
--- a/src/particles/pusher/GetDomainLev.H
+++ b/src/particles/pusher/GetDomainLev.H
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_GETDOMAINLEV_H_
 #define HIPACE_GETDOMAINLEV_H_
 
diff --git a/src/particles/pusher/PlasmaParticleAdvance.H b/src/particles/pusher/PlasmaParticleAdvance.H
index fa918795fc..9af9200737 100644
--- a/src/particles/pusher/PlasmaParticleAdvance.H
+++ b/src/particles/pusher/PlasmaParticleAdvance.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef PLASMAPARTICLEADVANCE_H_
 #define PLASMAPARTICLEADVANCE_H_
 
diff --git a/src/particles/pusher/PlasmaParticleAdvance.cpp b/src/particles/pusher/PlasmaParticleAdvance.cpp
index 744cf053d4..77a32c166a 100644
--- a/src/particles/pusher/PlasmaParticleAdvance.cpp
+++ b/src/particles/pusher/PlasmaParticleAdvance.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "PlasmaParticleAdvance.H"
 
 #include "particles/PlasmaParticleContainer.H"
diff --git a/src/particles/pusher/PushPlasmaParticles.H b/src/particles/pusher/PushPlasmaParticles.H
index fd25541bc9..a7bf73a452 100644
--- a/src/particles/pusher/PushPlasmaParticles.H
+++ b/src/particles/pusher/PushPlasmaParticles.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef PUSHPLASMAPARTICLES_H_
 #define PUSHPLASMAPARTICLES_H_
 
diff --git a/src/particles/pusher/UpdateForceTerms.H b/src/particles/pusher/UpdateForceTerms.H
index 9ec1956848..71f99bd355 100644
--- a/src/particles/pusher/UpdateForceTerms.H
+++ b/src/particles/pusher/UpdateForceTerms.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2022
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef UPDATEFORCETERMS_H_
 #define UPDATEFORCETERMS_H_
 
diff --git a/src/utils/AdaptiveTimeStep.H b/src/utils/AdaptiveTimeStep.H
index 60e3527468..53ed2e4b9a 100644
--- a/src/utils/AdaptiveTimeStep.H
+++ b/src/utils/AdaptiveTimeStep.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef ADAPTIVETIMESTEP_H_
 #define ADAPTIVETIMESTEP_H_
 
diff --git a/src/utils/AdaptiveTimeStep.cpp b/src/utils/AdaptiveTimeStep.cpp
index 9dd28cbb84..dff200c73b 100644
--- a/src/utils/AdaptiveTimeStep.cpp
+++ b/src/utils/AdaptiveTimeStep.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "AdaptiveTimeStep.H"
 #include "utils/DeprecatedInput.H"
 #include "Hipace.H"
diff --git a/src/utils/AtomicWeightTable.H b/src/utils/AtomicWeightTable.H
index 0f9595f429..38989e1d81 100644
--- a/src/utils/AtomicWeightTable.H
+++ b/src/utils/AtomicWeightTable.H
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn
+ * License: BSD-3-Clause-LBNL
+ */
 // This script was automatically generated!
 // Edit src/utils/write_atomic_weight_cpp.py instead!
 #ifndef HIPACE_ATOMIC_WEIGHT_TABLE_H_
diff --git a/src/utils/CMakeLists.txt b/src/utils/CMakeLists.txt
index 858bbb1d40..4b04e2d997 100644
--- a/src/utils/CMakeLists.txt
+++ b/src/utils/CMakeLists.txt
@@ -1,3 +1,10 @@
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 target_sources(HiPACE
   PRIVATE
     Constants.cpp
diff --git a/src/utils/Constants.H b/src/utils/Constants.H
index e509e6a71f..8148f2e3f1 100644
--- a/src/utils/Constants.H
+++ b/src/utils/Constants.H
@@ -1,3 +1,10 @@
+/* Copyright 2020
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Axel Huebl, MaxThevenet, Remi Lehe
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_Constants_H_
 #define HIPACE_Constants_H_
 
diff --git a/src/utils/Constants.cpp b/src/utils/Constants.cpp
index 332a6792b0..f6e9237439 100644
--- a/src/utils/Constants.cpp
+++ b/src/utils/Constants.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 #include "Constants.H"
 #include "Hipace.H"
 
diff --git a/src/utils/DeprecatedInput.H b/src/utils/DeprecatedInput.H
index 7e4a70842d..c369e5cc6d 100644
--- a/src/utils/DeprecatedInput.H
+++ b/src/utils/DeprecatedInput.H
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_DeprecatedInput_H_
 #define HIPACE_DeprecatedInput_H_
 
diff --git a/src/utils/GridCurrent.H b/src/utils/GridCurrent.H
index 75fcdd47e9..69e384c361 100644
--- a/src/utils/GridCurrent.H
+++ b/src/utils/GridCurrent.H
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef GRIDCURRENT_H_
 #define GRIDCURRENT_H_
 
diff --git a/src/utils/GridCurrent.cpp b/src/utils/GridCurrent.cpp
index 125c2ba4d8..e9a28b29ec 100644
--- a/src/utils/GridCurrent.cpp
+++ b/src/utils/GridCurrent.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "GridCurrent.H"
 #include "Hipace.H"
 #include "HipaceProfilerWrapper.H"
diff --git a/src/utils/HipaceProfilerWrapper.H b/src/utils/HipaceProfilerWrapper.H
index c5fb5ef120..c80d628fe1 100644
--- a/src/utils/HipaceProfilerWrapper.H
+++ b/src/utils/HipaceProfilerWrapper.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn, MaxThevenet
+ * License: BSD-3-Clause-LBNL
+ */
 /* Copyright 2020 Axel Huebl, Maxence Thevenet
  *
  * This file is part of WarpX.
diff --git a/src/utils/IOUtil.H b/src/utils/IOUtil.H
index d0ae8d91b1..1f5c82c0a0 100644
--- a/src/utils/IOUtil.H
+++ b/src/utils/IOUtil.H
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_IOUTIL_H_
 #define HIPACE_IOUTIL_H_
 
diff --git a/src/utils/IOUtil.cpp b/src/utils/IOUtil.cpp
index a1a949f983..db8c145028 100644
--- a/src/utils/IOUtil.cpp
+++ b/src/utils/IOUtil.cpp
@@ -1,3 +1,10 @@
+/* Copyright 2020-2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: MaxThevenet, Severin Diederichs
+ * License: BSD-3-Clause-LBNL
+ */
 #include "IOUtil.H"
 
 #include <AMReX_IndexType.H>
diff --git a/src/utils/IonizationEnergiesTable.H b/src/utils/IonizationEnergiesTable.H
index 7eae2619c0..71861a5c08 100644
--- a/src/utils/IonizationEnergiesTable.H
+++ b/src/utils/IonizationEnergiesTable.H
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn
+ * License: BSD-3-Clause-LBNL
+ */
 // This script was automatically generated!
 // Edit src/utils/write_atomic_data_cpp.py instead!
 #ifndef HIPACE_IONIZATION_TABLE_H_
diff --git a/src/utils/Parser.H b/src/utils/Parser.H
index 64079ead6d..8c3c984893 100755
--- a/src/utils/Parser.H
+++ b/src/utils/Parser.H
@@ -1,3 +1,10 @@
+/* Copyright 2021
+ *
+ * This file is part of HiPACE++.
+ *
+ * Authors: AlexanderSinn
+ * License: BSD-3-Clause-LBNL
+ */
 #ifndef HIPACE_Parser_H_
 #define HIPACE_Parser_H_
 
diff --git a/src/utils/write_atomic_data_cpp.py b/src/utils/write_atomic_data_cpp.py
index 67cb9c5b36..580c4cb177 100755
--- a/src/utils/write_atomic_data_cpp.py
+++ b/src/utils/write_atomic_data_cpp.py
@@ -1,4 +1,12 @@
 #!/usr/bin/env python3
+
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn
+# License: BSD-3-Clause-LBNL
+
 #
 # Copyright 2019-2020 Axel Huebl, Luca Fedeli, Maxence Thevenet
 #
diff --git a/src/utils/write_atomic_weight_cpp.py b/src/utils/write_atomic_weight_cpp.py
index fd69c6c9e0..bb95d558d8 100755
--- a/src/utils/write_atomic_weight_cpp.py
+++ b/src/utils/write_atomic_weight_cpp.py
@@ -1,5 +1,13 @@
 #! /usr/bin/env python
 
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn
+# License: BSD-3-Clause-LBNL
+
+
 """
 This python script reads atomic masses tables in relative_atomic_masses.txt
 (generated from the NIST website) and extracts
diff --git a/tests/adaptive_time_step.1Rank.sh b/tests/adaptive_time_step.1Rank.sh
index ec048bf5b7..6af61f73b6 100755
--- a/tests/adaptive_time_step.1Rank.sh
+++ b/tests/adaptive_time_step.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a HiPACE++ simulation in the blowout regime and compares the result
 # with SI units.
diff --git a/tests/beam_evolution.1Rank.sh b/tests/beam_evolution.1Rank.sh
index cb96bb69c7..c46e4c33cf 100755
--- a/tests/beam_evolution.1Rank.sh
+++ b/tests/beam_evolution.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation in the blowout regime and compares the result
 # with SI units.
diff --git a/tests/beam_in_vacuum.SI.1Rank.sh b/tests/beam_in_vacuum.SI.1Rank.sh
index 082d067193..ab12e6e162 100755
--- a/tests/beam_in_vacuum.SI.1Rank.sh
+++ b/tests/beam_in_vacuum.SI.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation for a can beam in vacuum, and compares the result
 # of the simulation to theory.
diff --git a/tests/beam_in_vacuum.SI.Serial.sh b/tests/beam_in_vacuum.SI.Serial.sh
index 21278690d3..14848f76b8 100755
--- a/tests/beam_in_vacuum.SI.Serial.sh
+++ b/tests/beam_in_vacuum.SI.Serial.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation for a can beam in vacuum, and compares the result
 # of the simulation to theory.
diff --git a/tests/beam_in_vacuum.normalized.1Rank.sh b/tests/beam_in_vacuum.normalized.1Rank.sh
index 165dd1ff91..eda9b4deef 100755
--- a/tests/beam_in_vacuum.normalized.1Rank.sh
+++ b/tests/beam_in_vacuum.normalized.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation for a can beam in vacuum, and compares the result
 # of the simulation to theory.
diff --git a/tests/beam_in_vacuum.normalized.2Rank.sh b/tests/beam_in_vacuum.normalized.2Rank.sh
index a87ba0b6c5..c61e214d9f 100755
--- a/tests/beam_in_vacuum.normalized.2Rank.sh
+++ b/tests/beam_in_vacuum.normalized.2Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation for a can beam in vacuum in serial and parallel and
 # checks that they give the same result
diff --git a/tests/beam_in_vacuum.normalized.Serial.sh b/tests/beam_in_vacuum.normalized.Serial.sh
index 80cdc62e49..0941bbc1e3 100755
--- a/tests/beam_in_vacuum.normalized.Serial.sh
+++ b/tests/beam_in_vacuum.normalized.Serial.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation for a can beam in vacuum, and compares the result
 # of the simulation to theory.
diff --git a/tests/blowout_wake.2Rank.sh b/tests/blowout_wake.2Rank.sh
index 9d5db97699..e07ce57fe0 100755
--- a/tests/blowout_wake.2Rank.sh
+++ b/tests/blowout_wake.2Rank.sh
@@ -1,5 +1,14 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Andrew Myers, Axel Huebl, MaxThevenet, Severin Diederichs
+#
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation in the blowout regime and compares the result
 # with SI units.
diff --git a/tests/blowout_wake.Serial.sh b/tests/blowout_wake.Serial.sh
index 137801a65d..e5fd0ffc06 100755
--- a/tests/blowout_wake.Serial.sh
+++ b/tests/blowout_wake.Serial.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation in the blowout regime and cand compares the result
 # of the simulation to a benchmark.
diff --git a/tests/blowout_wake_explicit.2Rank.sh b/tests/blowout_wake_explicit.2Rank.sh
index 48eab64985..449cab5829 100755
--- a/tests/blowout_wake_explicit.2Rank.sh
+++ b/tests/blowout_wake_explicit.2Rank.sh
@@ -1,5 +1,14 @@
 #! /usr/bin/env bash
 
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Andrew Myers, Axel Huebl, MaxThevenet, Severin Diederichs
+#
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation in normalized units with the explicit solver
 # in the blowout regime and compares the checksum with a benchmark.
diff --git a/tests/checksum/backend/amrex_backend.py b/tests/checksum/backend/amrex_backend.py
index b00cb0e599..6721116e57 100644
--- a/tests/checksum/backend/amrex_backend.py
+++ b/tests/checksum/backend/amrex_backend.py
@@ -1,10 +1,9 @@
-"""
-Copyright 2021
-
-This file is part of HiPACE++
-
-License: BSD-3-Clause-LBNL
-"""
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
 
 import re
 import numpy as np
diff --git a/tests/checksum/backend/openpmd_backend.py b/tests/checksum/backend/openpmd_backend.py
index b43e2d1f12..b6fb600f15 100644
--- a/tests/checksum/backend/openpmd_backend.py
+++ b/tests/checksum/backend/openpmd_backend.py
@@ -1,10 +1,9 @@
-"""
-Copyright 2021
-
-This file is part of HiPACE++
-
-License: BSD-3-Clause-LBNL
-"""
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
 
 import re
 import numpy as np
diff --git a/tests/checksum/benchmark.py b/tests/checksum/benchmark.py
index ba6482a1d9..8115ebf5a4 100644
--- a/tests/checksum/benchmark.py
+++ b/tests/checksum/benchmark.py
@@ -1,3 +1,10 @@
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet
+# License: BSD-3-Clause-LBNL
+
 """
 Copyright 2020
 
diff --git a/tests/checksum/checksum.py b/tests/checksum/checksum.py
index 621b27750c..1a7ede6b34 100644
--- a/tests/checksum/checksum.py
+++ b/tests/checksum/checksum.py
@@ -1,3 +1,10 @@
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet
+# License: BSD-3-Clause-LBNL
+
 """
 Copyright 2020
 
diff --git a/tests/checksum/checksumAPI.py b/tests/checksum/checksumAPI.py
index ab813d19fd..890ffed88f 100755
--- a/tests/checksum/checksumAPI.py
+++ b/tests/checksum/checksumAPI.py
@@ -1,5 +1,13 @@
 #! /usr/bin/env python3
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 """
 Copyright 2020
 
diff --git a/tests/checksum/config.py b/tests/checksum/config.py
index e723491f0d..fe9e239155 100644
--- a/tests/checksum/config.py
+++ b/tests/checksum/config.py
@@ -1,3 +1,10 @@
+# Copyright 2020
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet
+# License: BSD-3-Clause-LBNL
+
 """
 Copyright 2020
 
diff --git a/tests/checksum/reset_all_benchmarks.sh b/tests/checksum/reset_all_benchmarks.sh
index 00a6aa4093..81ac6a806d 100755
--- a/tests/checksum/reset_all_benchmarks.sh
+++ b/tests/checksum/reset_all_benchmarks.sh
@@ -1,5 +1,14 @@
 #!/usr/bin/env bash
 
+# Copyright 2020-2022
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, Axel Huebl, MaxThevenet, Severin Diederichs
+#
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It resets all checksum benchmarks one by one,
 # based on the current version of the code.
diff --git a/tests/from_file.SI.1Rank.sh b/tests/from_file.SI.1Rank.sh
index 1046ba478d..d17e9cd704 100755
--- a/tests/from_file.SI.1Rank.sh
+++ b/tests/from_file.SI.1Rank.sh
@@ -1,8 +1,14 @@
 #! /usr/bin/env bash
 
-# This file is part of the Hipace test suite.
-# It runs a Hipace simulation in the blowout regime and cand compares the result
-# of the simulation to a benchmark.
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, MaxThevenet
+# License: BSD-3-Clause-LBNL
+
+# This script runs a simulation in the blowout regime and
+# compares the result of the simulation to a benchmark.
 
 # abort on first encounted error
 set -eu -o pipefail
diff --git a/tests/from_file.normalized.1Rank.sh b/tests/from_file.normalized.1Rank.sh
index 3055dbefd2..07506d952b 100755
--- a/tests/from_file.normalized.1Rank.sh
+++ b/tests/from_file.normalized.1Rank.sh
@@ -1,7 +1,14 @@
 #! /usr/bin/env bash
 
-# This file is part of the Hipace test suite.
-# It runs a Hipace simulation in the blowout regime and cand compares the result
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, MaxThevenet
+# License: BSD-3-Clause-LBNL
+
+
+# This script runs a Hipace simulation in the blowout regime and cand compares the result
 # of the simulation to a benchmark.
 
 # abort on first encounted error
diff --git a/tests/gaussian_linear_wake.SI.1Rank.sh b/tests/gaussian_linear_wake.SI.1Rank.sh
index ee92bd1a2d..4c48fae59c 100755
--- a/tests/gaussian_linear_wake.SI.1Rank.sh
+++ b/tests/gaussian_linear_wake.SI.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation in the linear regime with a Gaussian drive beam
 # and compares the result with theory.
diff --git a/tests/gaussian_linear_wake.normalized.1Rank.sh b/tests/gaussian_linear_wake.normalized.1Rank.sh
index c553a37408..5f41f601e9 100755
--- a/tests/gaussian_linear_wake.normalized.1Rank.sh
+++ b/tests/gaussian_linear_wake.normalized.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation in the linear regime and compares the result
 # with theory.
diff --git a/tests/gaussian_weight.1Rank.sh b/tests/gaussian_weight.1Rank.sh
index 56eff9cdf8..4afbfa172a 100755
--- a/tests/gaussian_weight.1Rank.sh
+++ b/tests/gaussian_weight.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation initializing a Gaussian beam, and compares the result
 # of the simulation to theory.
diff --git a/tests/grid_current.1Rank.sh b/tests/grid_current.1Rank.sh
index cf4e573710..f2862ea86d 100755
--- a/tests/grid_current.1Rank.sh
+++ b/tests/grid_current.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a small simulation with a fixed ppc beam and a grid current and ensures that they cancel
 # each other
diff --git a/tests/hosing.2Rank.sh b/tests/hosing.2Rank.sh
index 020b9b7ee5..b5fbb72ccf 100755
--- a/tests/hosing.2Rank.sh
+++ b/tests/hosing.2Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation in the blowout regime and compares the result
 # with SI units.
diff --git a/tests/ionization.2Rank.sh b/tests/ionization.2Rank.sh
index 520979738e..2b8f2ddd3e 100755
--- a/tests/ionization.2Rank.sh
+++ b/tests/ionization.2Rank.sh
@@ -1,5 +1,14 @@
 #! /usr/bin/env bash
 
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, Andrew Myers, Axel Huebl, MaxThevenet
+# Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation with in neutral hydrogen that gets ionized by the beam
 
diff --git a/tests/linear_wake.SI.1Rank.sh b/tests/linear_wake.SI.1Rank.sh
index 677b2390a1..fd9851a484 100755
--- a/tests/linear_wake.SI.1Rank.sh
+++ b/tests/linear_wake.SI.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation in the linear regime and compares the result
 # with theory.
diff --git a/tests/linear_wake.normalized.1Rank.sh b/tests/linear_wake.normalized.1Rank.sh
index 1578d48ee8..de3d260369 100755
--- a/tests/linear_wake.normalized.1Rank.sh
+++ b/tests/linear_wake.normalized.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Axel Huebl, MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation in the linear regime and compares the result
 # with theory.
diff --git a/tests/next_deposition_beam.2Rank.sh b/tests/next_deposition_beam.2Rank.sh
index 23e6513753..52e70f90c3 100755
--- a/tests/next_deposition_beam.2Rank.sh
+++ b/tests/next_deposition_beam.2Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation with a beam in vacuum with transverse currents
 # in serial and parallel and asserts that both give the same result.
diff --git a/tests/output_coarsening.2Rank.sh b/tests/output_coarsening.2Rank.sh
index 56ffad5eff..6044b28f8b 100755
--- a/tests/output_coarsening.2Rank.sh
+++ b/tests/output_coarsening.2Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation with full and coarse IO and compares them
 
diff --git a/tests/reset.2Rank.sh b/tests/reset.2Rank.sh
index 942930d620..c2271cac10 100755
--- a/tests/reset.2Rank.sh
+++ b/tests/reset.2Rank.sh
@@ -1,5 +1,14 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: Andrew Myers, Axel Huebl, MaxThevenet, Severin Diederichs
+#
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation for a can beam, and compares the result
 # of the simulation to a benchmark.
diff --git a/tests/restart.normalized.1Rank.sh b/tests/restart.normalized.1Rank.sh
index 884556b1fb..328ef3b4cb 100755
--- a/tests/restart.normalized.1Rank.sh
+++ b/tests/restart.normalized.1Rank.sh
@@ -1,7 +1,13 @@
 #! /usr/bin/env bash
 
-# This file is part of the Hipace test suite.
-# It runs a Hipace simulation in the blowout regime and cand compares the result
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, MaxThevenet
+# License: BSD-3-Clause-LBNL
+
+# This file runs a Hipace simulation in the blowout regime and cand compares the result
 # of the simulation to a benchmark.
 
 # abort on first encounted error
diff --git a/tests/slice_IO.1Rank.sh b/tests/slice_IO.1Rank.sh
index 983b60ee9e..0698747e17 100755
--- a/tests/slice_IO.1Rank.sh
+++ b/tests/slice_IO.1Rank.sh
@@ -1,5 +1,13 @@
 #! /usr/bin/env bash
 
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # This file is part of the HiPACE++ test suite.
 # It runs a Hipace simulation with full IO and xz-slice IO, and checks that the results are equal.
 
diff --git a/tools/analysis.py b/tools/analysis.py
index 4a8bb2a283..1c5733847f 100755
--- a/tools/analysis.py
+++ b/tools/analysis.py
@@ -1,5 +1,13 @@
 #! /usr/bin/env python
 
+# Copyright 2020
+#
+# This file is part of HiPACE++.
+#
+# Authors: MaxThevenet, Remi Lehe, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
+
 # Plots Ex field and particles at the end of the run,
 # and save image to img.png
 # usage: ./analysis.py
diff --git a/tools/convert_hipace_to_hipace++_file.py b/tools/convert_hipace_to_hipace++_file.py
index 2887ec47bd..a3cd6ede55 100755
--- a/tools/convert_hipace_to_hipace++_file.py
+++ b/tools/convert_hipace_to_hipace++_file.py
@@ -1,4 +1,12 @@
 #!/usr/bin/env python3
+
+# Copyright 2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 # convert_hipace_to_hipace++_file.py
 """
 Conversion Script to convert hdf5 beam files to openPMD files that can be used by HiPACE++
diff --git a/tools/write_beam.py b/tools/write_beam.py
index 6d258b2c34..3f86fe6d88 100755
--- a/tools/write_beam.py
+++ b/tools/write_beam.py
@@ -1,3 +1,10 @@
+# Copyright 2020-2021
+#
+# This file is part of HiPACE++.
+#
+# Authors: AlexanderSinn, Severin Diederichs
+# License: BSD-3-Clause-LBNL
+
 import math
 import openpmd_api as io
 import numpy as np