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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. He was proprietor of Cafe Frankenstein.

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