Leonard Spigelgass (November 26, 1908 – February 15, 1985) was an American playwright, film producer and screenwriter.[1] During his career, Spigelgass wrote the scripts for 11 Academy Award-winning films. He himself was nominated in 1950 for the story for Mystery Street and garnered three Writers Guild of America nominations over the course of his career. Spigelgass was also a friend of Gore Vidal who used Spigelgass as the model for Vidal's semi fictionary "wise hack" character in the latter's series of essays about Hollywood.[2]