Alcatraz Federal Penitentiary and the island became a prison of the Federal Bureau of Prisons in August 1934 after the buildings were modernized to meet the requirements of a top-notch security prison. Given this high security and the location of Alcatraz in the cold waters and strong currents of San Francisco Bay, the prison operators believed Alcatraz to be escape-proof and America's strongest prison. Alcatraz was designed to hold prisoners who continuously caused trouble at other federal prisons. One of the world's most notorious and best known prisons over the years, Alcatraz housed some 1,576 of America's most ruthless criminals including Al Capone,
Warden's House (Alcatraz Island) Warden's House (Alcatraz Island) The Hoe House was the home of the wardens of the federal penitentiary on Alcatraz Island, off San Francisco. It is located at the northeastern end of the Main Cellblock, next to Alcatraz Lighthouse. The 3-floor 15-room mansion was built in 1921 according to the Golden Gate National Recreational Area signpost, although some sources say it was built in 1926 or 1929 and had 17 or 18 rooms. Between 1934 and 1963 the four wardens of Alcatraz resided here including the first warden, James A. Johnston. A house of luxury in stark contrast to the jail