Alcatraz marks 50th anniversary

The National Park Service celebrated the 50th anniversary of Alcatraz Island's closure as a federal penitentiary on March 21 with an exhibit of newly discovered photos of the prison's final hours. The new display opened five decades after the last shacked prisoners were taken off the infamous prison in San Francisco Bay that once held the likes of gangsters Al Capone and Mickey Cohen.

UNITED STATES - MARCH 05: Overall View Of The Alcatraz Penitentiary Located In The San Francisco Bay In 1946. Alcatraz Became The Harshest And The Most Secured Prison In The Usa In 1933. After 1033 People Had Been Held Prisoners, It Would Officially Close Its Doors On March 21, 1963. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
Alcatraz Prison In 1946
UNITED STATES - MARCH 05: Overall View Of The Alcatraz Penitentiary Located In The San Francisco Bay In 1946. Alcatraz Became The Harshest And The Most Secured Prison In The Usa In 1933. After 1033 People Had Been Held Prisoners, It Would Officially Close Its Doors On March 21, 1963. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
UNITED STATES - JANUARY 01: Overall View Of The Alcatraz Prison Pictured From The San Francisco Bay In 1962. After Having Opened On October 12, 1933, The Alcatraz Penitentiary Was Officially Closed Up On March 21, 1963. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
Alcatraz Prison Pictured From The San Francisco Bay Around 1962
UNITED STATES - JANUARY 01: Overall View Of The Alcatraz Prison Pictured From The San Francisco Bay In 1962. After Having Opened On October 12, 1933, The Alcatraz Penitentiary Was Officially Closed Up On March 21, 1963. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
In this March 21, 1963 photo taken by Leigh Wiener and provided by the National Park Service, prison guard Jim Albright, second from left, leads out the last prisoners from the federal penitentiary. The National Park Service on Thursday celebrated the 50th anniversary of Alcatraz Island's closure as a federal penitentiary with an exhibit of newly discovered photos of the prison's final hours. The new display opened five decades after the last shacked prisoners were taken off the infamous prison in San Francisco Bay that once held the likes of gangsters Al Capone and Mickey Cohen. (AP Photo/National Park Service, Copyright Leigh Wiener)
In this March 21, 1963 photo taken by Leigh Wiener and provided by the National Park Service, prison guard Jim Albright, second from left, leads out the last prisoners from the federal penitentiary. The National Park Service on Thursday celebrated the 50th anniversary of Alcatraz Island's closure as a federal penitentiary with an exhibit of newly discovered photos of the prison's final hours. The new display opened five decades after the last shacked prisoners were taken off the infamous prison in San Francisco Bay that once held the likes of gangsters Al Capone and Mickey Cohen. (AP Photo/National Park Service, Copyright Leigh Wiener)
In this March 21, 1963 photo taken by Leigh Wiener and provided by the National Park Service, prison guard Jim Albright, second from left, leads out the last prisoners from the federal penitentiary. The National Park Service on Thursday celebrated the 50th anniversary of Alcatraz Island's closure as a federal penitentiary with an exhibit of newly discovered photos of the prison's final hours. The new display opened five decades after the last shacked prisoners were taken off the infamous prison in San Francisco Bay that once held the likes of gangsters Al Capone and Mickey Cohen. (AP Photo/National Park Service, Copyright Leigh Wiener)
Alcatraz prison warden Paul Madigan. (Photo by Nat Farbman//Time Life Pictures/Getty Images)
Paul Madigan
Alcatraz prison warden Paul Madigan. (Photo by Nat Farbman//Time Life Pictures/Getty Images)
File - In this March 21, 1963 file photo the last prisoners depart from Alcatraz Island federal prison in San Francisco. The National Park Service on Thursday celebrated the 50th anniversary of Alcatraz Island's closure as a federal penitentiary with an exhibit of newly discovered photos of the prison's final hours. The new display opened five decades after the last shacked prisoners were taken off the infamous prison in San Francisco Bay that once held the likes of gangsters Al Capone and Mickey Cohen. (AP Photo/File)
File - In this March 21, 1963 file photo the last prisoners depart from Alcatraz Island federal prison in San Francisco. The National Park Service on Thursday celebrated the 50th anniversary of Alcatraz Island's closure as a federal penitentiary with an exhibit of newly discovered photos of the prison's final hours. The new display opened five decades after the last shacked prisoners were taken off the infamous prison in San Francisco Bay that once held the likes of gangsters Al Capone and Mickey Cohen. (AP Photo/File)
File - In this March 21, 1963 file photo the last prisoners depart from Alcatraz Island federal prison in San Francisco. The National Park Service on Thursday celebrated the 50th anniversary of Alcatraz Island's closure as a federal penitentiary with an exhibit of newly discovered photos of the prison's final hours. The new display opened five decades after the last shacked prisoners were taken off the infamous prison in San Francisco Bay that once held the likes of gangsters Al Capone and Mickey Cohen. (AP Photo/File)
View of a sign on Alcratraz Island, altered by a group of Native Americans who had taken over the island, San Francisco, California, December 1969. For almost 19 months months, a group of Native Americans, under the name 'Indians of all Nations,' occupied the island, which at the time was out of service as a Federal Prison, based on their interpretation of the 1868 Fort Laramie Treaty, which they believed granted them the right to reclaim any land originally theirs sold to and subsequently abandoned by the US government. (Photo by Ralph Crane/Time & Life Pictures/Getty Images)
Alcatraz Occupied
View of a sign on Alcratraz Island, altered by a group of Native Americans who had taken over the island, San Francisco, California, December 1969. For almost 19 months months, a group of Native Americans, under the name 'Indians of all Nations,' occupied the island, which at the time was out of service as a Federal Prison, based on their interpretation of the 1868 Fort Laramie Treaty, which they believed granted them the right to reclaim any land originally theirs sold to and subsequently abandoned by the US government. (Photo by Ralph Crane/Time & Life Pictures/Getty Images)
A National Park Service ranger walks down "Broadway" in the main cell block on Alcatraz Island, 14 June 2007 in San Francisco Bay of California. Sometimes referred to as "The Rock", the island of Alcatraz served first as a military fortification, before it became a federal penitentiary in 1934. Now Alcatraz is national recreation area under the supervision of the Naitonal Park Service (NPS) with more than a million visitors a year taking the short ferry ride from San Francisco's Fisherman's Wharf to experience the infamous maximum-security prison for high-risk convicts. Famous island residents have included "Machine Gun" Kelly, Al Capone and Robert "Birdman" Stroud. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
A National Park Service ranger walks dow
A National Park Service ranger walks down "Broadway" in the main cell block on Alcatraz Island, 14 June 2007 in San Francisco Bay of California. Sometimes referred to as "The Rock", the island of Alcatraz served first as a military fortification, before it became a federal penitentiary in 1934. Now Alcatraz is national recreation area under the supervision of the Naitonal Park Service (NPS) with more than a million visitors a year taking the short ferry ride from San Francisco's Fisherman's Wharf to experience the infamous maximum-security prison for high-risk convicts. Famous island residents have included "Machine Gun" Kelly, Al Capone and Robert "Birdman" Stroud. AFP PHOTO / Robyn BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
In this photo taken Thursday, Sept. 27, 2012, a man stands beside Fort Point and looks out at the fog-covered Golden Gate Bridge in San Francisco. San Francisco has a long history as a favorite site for filmmakers and the movie buffs who want to see the spots where their favorite scenes took place, from Fort Point under the Golden Gate Bridge where Jimmy Stewart saved Kim Novak in "Vertigo" to the steps of City Hall, where Sean Penn gave an impassioned speech in "Milk," to Alcatraz, stage for Clint Eastwood and many others. (AP Photo/Eric Risberg)
In this photo taken Thursday, Sept. 27, 2012, a man stands beside Fort Point and looks out at the fog-covered Golden Gate Bridge in San Francisco. San Francisco has a long history as a favorite site for filmmakers and the movie buffs who want to see the spots where their favorite scenes took place, from Fort Point under the Golden Gate Bridge where Jimmy Stewart saved Kim Novak in "Vertigo" to the steps of City Hall, where Sean Penn gave an impassioned speech in "Milk," to Alcatraz, stage for Clint Eastwood and many others. (AP Photo/Eric Risberg)
In this photo taken Thursday, Sept. 27, 2012, a man stands beside Fort Point and looks out at the fog-covered Golden Gate Bridge in San Francisco. San Francisco has a long history as a favorite site for filmmakers and the movie buffs who want to see the spots where their favorite scenes took place, from Fort Point under the Golden Gate Bridge where Jimmy Stewart saved Kim Novak in "Vertigo" to the steps of City Hall, where Sean Penn gave an impassioned speech in "Milk," to Alcatraz, stage for Clint Eastwood and many others. (AP Photo/Eric Risberg)
In this photo taken Thursday, Sept. 27, 2012, a sailboat makes its way past Alcatraz Island in San Francisco. San Francisco has a long history as a favorite site for filmmakers and the movie buffs who want to see the spots where their favorite scenes took place, from Fort Point under the Golden Gate Bridge where Jimmy Stewart saved Kim Novak in "Vertigo" to the steps of City Hall, where Sean Penn gave an impassioned speech in "Milk," to Alcatraz, stage for Clint Eastwood and many others. (AP Photo/Eric Risberg)
In this photo taken Thursday, Sept. 27, 2012, a sailboat makes its way past Alcatraz Island in San Francisco. San Francisco has a long history as a favorite site for filmmakers and the movie buffs who want to see the spots where their favorite scenes took place, from Fort Point under the Golden Gate Bridge where Jimmy Stewart saved Kim Novak in "Vertigo" to the steps of City Hall, where Sean Penn gave an impassioned speech in "Milk," to Alcatraz, stage for Clint Eastwood and many others. (AP Photo/Eric Risberg)
In this photo taken Thursday, Sept. 27, 2012, a sailboat makes its way past Alcatraz Island in San Francisco. San Francisco has a long history as a favorite site for filmmakers and the movie buffs who want to see the spots where their favorite scenes took place, from Fort Point under the Golden Gate Bridge where Jimmy Stewart saved Kim Novak in "Vertigo" to the steps of City Hall, where Sean Penn gave an impassioned speech in "Milk," to Alcatraz, stage for Clint Eastwood and many others. (AP Photo/Eric Risberg)
Smoke pours from a fire at the Chevron Richmond Refinery, seen behind Alcatraz Island in San Francisco, Monday, Aug. 6, 2012. Officials have told residents of two Northern California cities to shelter-in-place as a fire at the refinery releases plumes of black smoke. The fire, first reported at 6:40 p.m. Monday, is burning in a process unit at the refinery, officials said. It was sending smoke over the cities of Richmond and San Pablo. (AP Photo/Eric Risberg)
Smoke pours from a fire at the Chevron Richmond Refinery, seen behind Alcatraz Island in San Francisco, Monday, Aug. 6, 2012. Officials have told residents of two Northern California cities to shelter-in-place as a fire at the refinery releases plumes of black smoke. The fire, first reported at 6:40 p.m. Monday, is burning in a process unit at the refinery, officials said. It was sending smoke over the cities of Richmond and San Pablo. (AP Photo/Eric Risberg)
Smoke pours from a fire at the Chevron Richmond Refinery, seen behind Alcatraz Island in San Francisco, Monday, Aug. 6, 2012. Officials have told residents of two Northern California cities to shelter-in-place as a fire at the refinery releases plumes of black smoke. The fire, first reported at 6:40 p.m. Monday, is burning in a process unit at the refinery, officials said. It was sending smoke over the cities of Richmond and San Pablo. (AP Photo/Eric Risberg)

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