Claude Thornhill (Terre Haute, Indiana, August 10, 1908 – July 1, 1965, Caldwell, New Jersey) was an American pianist, arranger, composer, and bandleader. He composed the jazz and pop standards "Snowfall" and "I Wish I Had You", the last recorded by Billie Holliday. As a youth, he was recognized as an extraordinary talent and formed a traveling duo with Danny Polo, a musical prodigy on the clarinet and trumpet from nearby Clinton, Indiana. As a student at Garfield High School in Terre Haute, he played with several theater bands.