Alcatraz Island Engineers began fortifying the island, work which continued until 1858, eventuating in Fortress Alcatraz. The island's first garrison at Camp Alcatraz, numbering about 200 soldiers and 11 cannons, arrived at the end of that year. When the American Civil War broke out in 1861, the island mounted 85 cannons (increased to 105 cannons by 1866) in casemates around its perimeter, though the small size of the garrison meant only a fraction of the guns could be used at one time. At this time it also served as the San Francisco Arsenal for storage of firearms to prevent them falling into
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