Graven, Jean Keywords: Crimes against humanity | International criminal law | Mots clefs: Crimes contre l humanité | bjt10 | ABSTRACT Crimes Against Humanity, writes Jean Graven in the introduction to his course, are as old as humanity. However, the legal concept is new. Because it presupposes a state of civilization, which recognizes the laws of humanity, of human rights, or of the human being as such, and recognizes the respect for the individual and human communities even if they are enemies. The author begins hi…