Robert Stroud

Robert Franklin Stroud (January 28, 1890 – November 21, 1963), known as the "Birdman of Alcatraz", was a federal American prisoner and author who has been cited as one of the United States' most notorious criminals. During his time at Leavenworth Penitentiary, he reared and sold birds and became a respected ornithologist, but because of regulations, he was not permitted to keep his birds at Alcatraz, where he was incarcerated from 1942.