Spielberg originally developed the film with Nolan's brother, Jonathan.

John Nolan, a veteran British stage and screen actor and the paternal uncle of filmmakers Christopher Nolan and Jonathan Nolan, has died at 87.

The uncle of Jonathan and Christopher Nolan also was a member of the Royal Shakespeare Company and the National Theatre.

A quarter-century on, Memento still stands as Christopher Nolan’s most daring—and arguably unmatched—cinematic achievement. 25 Years Later, Memento Might Still Be Christopher Nolan’s Best Movie Ever W