Henry Hay was the pen name of June Barrows Mussey (March 30, 1910 – July 27, 1985), a journalist and translator who is notable for his writing about magic and sleight of hand and also of a large number of European authors including Lion Feuchtwanger. Mussey was born in New York and lived in West Germany after World War II. He was a friend of the famous coin manipulator Thomas Nelson Downs. His highly regarded The Amateur Magician's Handbook (1950) has gone through several editions and is still considered a standard reference work among magicians.