George Clayton Johnson, American author and screenwriter (died 2015)

George Clayton Johnson was an American science fiction writer, who co-wrote with William F. Nolan the novel Logan's Run, the basis for the MGM 1976 film. He also wrote television scripts for The Twilight Zone, and the first telecast episode of Star Trek, entitled "The Man Trap". He also wrote the story and screenplay on which the 1960 film Ocean's 11 and its 2001 remake were based.