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,
Alcatraz Hospital Alcatraz Hospital Alcatraz Hospital is a defunct hospital which was located on Alcatraz Island, California, US. It began operations in the 19th century while the United States Army operated Fort Alcatraz and continued to provide services after the transition to the Alcatraz Federal Penitentiary. Though Alcatraz is now part of the Golden Gate National Recreation Area, the hospital is not included on the general tour. In 1870, the military hospital had ten beds, as well as tables, chairs, washstands, a dumbwaiter, and a closet. Measuring , it was heated by coal stoves. It was expanded in the late 19th century.