Memento is a work.
Jonathan Nolan . He has collaborated on several films with his brother , director Christopher Nolan , who adapted Jonathan 's short story `` Memento Mori '' ( 2001 ) into the film Memento ( 2000 ) . Memento is a 2000 American neo-noir psychological thriller film directed and written by Christopher Nolan , and produced by Suzanne and Jennifer Todd . The film 's script was based on a pitch by Jonathan Nolan , who later wrote the story `` Memento Mori '' from the concept .