Harold Livingston is an American novelist and screenwriter who is the credited screenwriter for Star Trek: The Motion Picture (1979).
Others, including Alan Dean Foster and Gene Roddenberry also contributed to the development of the story and script.
Before his career as a writer, Harold was a radio operator for aircraft navigational purposes and wrote a book about his adventures titled "No Trophy, No Sword." He was one of the founding members of the Israeli Air Force, and was instrumental in ensuring Israel's victory during the 1948 Arab–Israeli War.