Martin Flavin (deceased) was an American Novelist, screenwriter and playwright. In 1923 he wrote his first play for the movie Children of the Moon. He had a credit of over fifteen movies as screenplay writer. Martin published his first novel Mr. Littlejohn in 1940. He was also known for his playwright for the movies The Big House (1930), The Criminal Code (1931), Convicted (1950) and Passion Flower (1930).