entertainment 17 unforgettable facts about the mind-bending Memento (17 Photos) By: Staff In: Entertainment, Facts, Movies Aug 20, 2017 262 Liked! 43 Disliked 0 1 Christopher Nolan’s screenplay is based upon his brother Jonathan Nolan’s story “Memento Mori.” However, it isn’t considered an adaptation as Jonathan’s story was actually published after the film came out. Like this post? 262 Liked! 0