Drexel Jerome Lewis Bixby (1923 - 1998) was an American short story writer and scriptwriter. He wrote the 1953 story "It's a Good Life" which was the basis for a 1961 episode of The Twilight Zone and which was included in Twilight Zone: The Movie (1983). He also 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 sci-fi movie Fantastic Voyage (1966), television series, and novel by Isaac Asimov were based. Bixby's final work was the screenplay for the 2007 sci-fi film The Man from Earth. He also wrote many westerns and used the pseudonyms Jay Lewis Bixby, D. B. Lewis, Harry Neal, Albert Russell, J. Russell, M. St. Vivant, Thornecliff Herrick and Alger Rome (for one collaboration with Algis Budrys).