On October 6, 2002, I was invited to the home of Professor Ahmad Ibrahim Hassan for a meal to commemorate the anniversary of the liberation of Sinai. His invitation was a formalization of our ongoing collaboration at the Alexandria University Law School, where I had already joined his research group, attended his seminars, and participated in various teaching activities. His guidance was particularly instrumental in the completion of my doctoral thesis. He also honored me by deciding to co-author joint studies, which were subsequently published in scientific journals. At that time, the late friend was a professor and chairman of the Department of History and Philosophy of Law at the Alexandria University Law School, secretary-general of the Society for the History of Law, and legal advisor to the aforementioned university. [...]