diff --git a/Makefile b/Makefile
index 31b9a0c..afa5353 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,8 @@
 # Version 2.0, January 2004
 # http://www.apache.org/licenses/
 
-# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu)
+# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu) 
+# 					  Mohamed Shalan (mshalan@aucegypt.edu)
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/README.md b/README.md
index 0bc62f2..bcaed77 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ This project is licensed under the Apache License 2.0. You may obtain a copy of
 
 ### Copyright
 
-Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu)
+Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu) - Mohamed Shalan (mshalan@aucegypt.edu)
 
 Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at the link above.
 
diff --git a/setup.py b/setup.py
index 47cf5b6..9782912 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,8 @@
 # Version 2.0, January 2004
 # http://www.apache.org/licenses/
 
-# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu)
+# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu) 
+# 					  Mohamed Shalan (mshalan@aucegypt.edu)
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/src/PodemQuest/Circuit.py b/src/PodemQuest/Circuit.py
index e0df3cc..564cf78 100644
--- a/src/PodemQuest/Circuit.py
+++ b/src/PodemQuest/Circuit.py
@@ -2,8 +2,9 @@
 # Version 2.0, January 2004
 # http://www.apache.org/licenses/
 
-# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu)
-#
+# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu) 
+# 					  Mohamed Shalan (mshalan@aucegypt.edu)
+# 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
diff --git a/src/PodemQuest/DAlgebra.py b/src/PodemQuest/DAlgebra.py
index 03622e6..42bb691 100644
--- a/src/PodemQuest/DAlgebra.py
+++ b/src/PodemQuest/DAlgebra.py
@@ -2,8 +2,9 @@
 # Version 2.0, January 2004
 # http://www.apache.org/licenses/
 
-# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu)
-#
+# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu) 
+# 					  Mohamed Shalan (mshalan@aucegypt.edu)
+# 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
diff --git a/src/PodemQuest/Gate.py b/src/PodemQuest/Gate.py
index 87afd64..2046930 100644
--- a/src/PodemQuest/Gate.py
+++ b/src/PodemQuest/Gate.py
@@ -2,8 +2,9 @@
 # Version 2.0, January 2004
 # http://www.apache.org/licenses/
 
-# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu)
-#
+# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu) 
+# 					  Mohamed Shalan (mshalan@aucegypt.edu)
+# 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
diff --git a/src/PodemQuest/PODEM.py b/src/PodemQuest/PODEM.py
index 4f5297a..6f5b272 100644
--- a/src/PodemQuest/PODEM.py
+++ b/src/PodemQuest/PODEM.py
@@ -2,8 +2,9 @@
 # Version 2.0, January 2004
 # http://www.apache.org/licenses/
 
-# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu)
-#
+# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu) 
+# 					  Mohamed Shalan (mshalan@aucegypt.edu)
+# 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
diff --git a/src/PodemQuest/PodemQuest.py b/src/PodemQuest/PodemQuest.py
index e7b170d..86ebc32 100755
--- a/src/PodemQuest/PodemQuest.py
+++ b/src/PodemQuest/PodemQuest.py
@@ -2,8 +2,9 @@
 # Version 2.0, January 2004
 # http://www.apache.org/licenses/
 
-# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu)
-#
+# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu) 
+# 					  Mohamed Shalan (mshalan@aucegypt.edu)
+# 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
diff --git a/src/PodemQuest/__init__.py b/src/PodemQuest/__init__.py
index 485e4c1..1b290bd 100644
--- a/src/PodemQuest/__init__.py
+++ b/src/PodemQuest/__init__.py
@@ -2,8 +2,9 @@
 # Version 2.0, January 2004
 # http://www.apache.org/licenses/
 
-# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu)
-#
+# Copyright (c) 2024, Youssef Kandil (youssefkandil@aucegypt.edu) 
+# 					  Mohamed Shalan (mshalan@aucegypt.edu)
+# 
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at