Alcatraz Citadel having some 111 cannons encircling the island at peak, and was also used as a war camp. During the Civil War, the defense establishment at Alcatraz Citadel had the onerous task to defuse the possibility of any local war between the Union and Confederate supporters who were both part of the population of California, and to protect San Francisco. Ammunition in the form of 10,000 muskets and 150,000 cartridges was supplied to the fort, which made the Fort Alcatraz and the island most impregnable and thus leaving any plans of the Confederate soldiers of taking control of the San Francisco
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