Harry Bouton Blackstone (born Henry Boughton; September 27, 1885 – November 16, 1965) was a famed stage magician and illusionist of the 20th century. Blackstone was born Harry Bouton in Chicago, Illinois. He began his career as a magician in his teens and was popular through World War II as a USO entertainer. He was often billed as The Great Blackstone. His son Harry Blackstone Jr. also became a famous magician. Blackstone Sr. was aided by his younger brother, Pete Bouton, who was the stage manager in all his shows. Blackstone Sr. was married three times. Blackstone Jr. was his son by his second wife.