San Francisco Bay is the artificial and flat Treasure Island, site of the 1939 Golden Gate International Exposition. From the Second World War until the 1990s, both islands served as military bases and are now being redeveloped. Isolated in the center of the Bay is Alcatraz, the site of the famous federal penitentiary. The federal prison on Alcatraz Island no longer functions, but the complex is a popular tourist site. Despite its name, Mare Island in the northern part of the bay is a peninsula rather than an island. San Francisco Bay is thought to represent a down-warping of the Earth's crust between
Birdman of Alcatraz (film) Birdman of Alcatraz (film) Birdman of Alcatraz is a 1962 American biographical drama film starring Burt Lancaster and directed by John Frankenheimer. It is a largely fictionalized version of the life of Robert Stroud, a federal prison inmate known as the "Birdman of Alcatraz" because of his life with birds. In spite of the title, much of the action is set at Leavenworth Prison, where Stroud was jailed with his birds. When moved to Alcatraz he was not allowed to keep any pets. The film was adapted by Guy Trosper from the 1955 book by Thomas E. Gaddis. It was