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The Star Trek writer is famous for sci-fi hits like When HARLIE Was One.
David Gerrold is the author of the Hugo and Nebula award-nominated book The Man Who Folded Himself and When HARLIE Was One, works that quickly established him in the hard science fiction genre during the 1970s. He also wrote The Trouble with Tribbles episode of Star Trek—one of the most popular Star Trek episode of all time, and is the author of the popular Star Wolf, Dingillian, and Chtorr series.