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user at project - Public Domain
Olga Kuzischina - CC BY-SA 4.0
United States Marshals Service<br/> - Public Domain
Entspannt1 - CC BY-SA 4.0
August Weger - Public Domain
Jeffrey Martin - Public Domain
unknown - Public Domain
Mallory1180 - CC BY-SA 4.0
Louis Le Breton - Public Domain
unknown photographer - Public Domain
Mathew Brady - Public Domain
Public Domain
Dmitry Rozhkov - CC BY-SA 3.0
United States Department of Energy - Public Domain
Julius Schaarwächter - Public Domain
no conegut -
David Shankbone - CC BY-SA 3.0
Auteur inconnu - Public Domain
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Frick, Henry Clay, 1849-1919
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Rotblat, Joseph, 1908-2005
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user at project - Public Domain
Chemerinsky, Erwin
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Olga Kuzischina - CC BY-SA 4.0
Bakatin, Vadim
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Lawrence, Thomas, Sir, 1769-1830
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May, Samuel J. (Samuel Joseph), 1797-1871
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United States Marshals Service<br/> - Public Domain
Nix, Evett Dumas, 1861-1946
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Presidio of San Francisco (Calif.)
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Entspannt1 - CC BY-SA 4.0
Kayser, Emanuel, 1845-1927
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González de Santalla, Tirso, 1624-1705
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August Weger - Public Domain
Krug, Arnold, 1849-1904.
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Cassel, Seymour, 1935-....
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Jeffrey Martin - Public Domain
Rose, Charles G., 1939-2012
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unknown - Public Domain
Wagner-Jauregg, Julius, 1857-1940
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Mallory1180 - CC BY-SA 4.0
Byrd, Donald
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Bellman, Carl Michael, 1740-1795
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Louis Le Breton - Public Domain
Lebreton, Louis 1818-1866
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unknown photographer - Public Domain
Rayfiel, Leo Frederick, 1888-1978
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Mathew Brady - Public Domain
Hunt, Memucan, 1807-1856
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Public Domain
Corda, August Joseph 1809-1849
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Dmitry Rozhkov - CC BY-SA 3.0
Geller, Uri, 1946-....
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United States Department of Energy - Public Domain
Herrington, John S., 1939-
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Brookes, Mabel Balcombe, 1890-1975
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Julius Schaarwächter - Public Domain
Stumpf, Carl, 1848-1936
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Arista, Mariano, 1802-1855
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no conegut -
Householder, Alston Scott, 1904-
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Hagberg, Carl Aug. (Carl August), 1810-1864
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David Shankbone - CC BY-SA 3.0
Jay, Ricky, 1946-2018
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Lang, Jack, 1939-....
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Auteur inconnu - Public Domain
Daveluy, Marie Nicolas Antoine, 1818-1866