Alcatraz Island 1906 San Francisco earthquake, civilian prisoners were transferred to Alcatraz for safe confinement. On March 21, 1907, Alcatraz was officially designated as the Western U.S. Military Prison, later Pacific Branch, U.S. Disciplinary Barracks, 1915. In 1909 construction began on the huge concrete main cell block, designed by Major Reuben Turner, which remains the island's dominant feature. It was completed in 1912. To accommodate the new cell block, the Citadel, a three-story barracks, was demolished down to the first floor, which was actually below ground level. The building had been constructed in an excavated pit (creating a dry "moat") to enhance
June 1962 Alcatraz escape attempt Island served as a prison. The film "Escape from Alcatraz" (1979) stars Clint Eastwood, Fred Ward, and Jack Thibeau as Morris, John Anglin, and Clarence Anglin, respectively. West (fictionalized as a character named Charley Butts) was played by Larry Hankin. The escape was shown in a two-part 1980 TV movie made by Telepictures Corporation (now owned by Warner Bros.): "", which starred Ed Lauter as Morris, and Louis Giambalvo and Antony Ponzini as the Anglins. "Terror on Alcatraz" (1987) starring Aldo Ray as Morris, returning decades later to the scene of his escape from Alcatraz, scours his old prison cell