Drexel Jerome Lewis Bixby was an American short story writer and scriptwriter. He wrote the 1953 story "It's a Good Life", which was the basis of a 1961 episode of The Twilight Zone and was included in Twilight Zone: The Movie (1983). He wrote four episodes for the Star Trek series: "Mirror, Mirror", "Day of the Dove", "Requiem for Methuselah", and "By Any Other Name". With Otto Klement, he co-wrote the story upon which the science fiction movie Fantastic Voyage (1966), the related television series, and the related Isaac Asimov novel were based. Bixby's final produced or published work so far was the screenplay for the 2007 science fiction film The Man from Earth.