George Clayton Johnson (born July 10, 1929 in Cheyenne, Wyoming) is an American science fiction writer most famous for co-writing the novel Logan's Run with William F. Nolan (basis for the 1976 film). He is also known for his work in television, writing screenplays for such noted series as The Twilight Zone, such as "Nothing in the Dark", "Kick the Can", "A Game of Pool" and "A Penny for Your Thoughts", and Star Trek, the first aired episode of the series, "The Man Trap". He also wrote the story on which the 1960 and 2001 films Ocean's Eleven were based. His work has appeared in numerous anthologies by editors such as Dennis Etchison, Jason V Brock, and Christopher Conlon. He was the proprietor of Cafe Frankenstein, and co-created the comic book series Deepest Dimension Terror Anthology with cartoonist Jay Allen Sanford for Revolutionary Comics, which adapted his stories from The Twilight Zone (including unproduced teleplays) and stories by his friends and contemporaries such as Larry Niven, Robert Bloch, and Dennis Etchison.