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. His works, including Logan's Run, are currently represented on his behalf by WBMT Literary, Film and Television. Born in a barn, he had to repeat the sixth grade and dropped out of school entirely in the eighth. He briefly served as a telegraph operator then draftsman in the United States Army, enrolled at the Alabama Polytechnic Institute (now Auburn University) under the G.I. Bill, quit to return to his travels around the U.S.A., working as an draftsman, before deciding he wanted to become a writer.