Charles Einstein (August 2, 1926 – March 7, 2007) was a newspaperman and sportswriter. He was the author of the 1953 novel The Bloody Spur, on which the film While the City Sleeps (1956), directed by Fritz Lang, was based. Einstein's father was the comedian Harry Einstein. He was the older half-brother of comedic actors Albert Brooks and Bob Einstein, better known by his stage name "Super Dave Osborne".