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Ramsay Richard Reinagle - Public Domain
Festival de Cine Africano de Córdoba - CC BY-SA 2.0
NASA/Ames Research Center - Public Domain
Contemporary portrait - Public Domain
Public Domain
Rub117 - CC BY-SA 3.0
http://picasaweb.google.com/johnearls - CC BY-SA 2.0
Romissa Mofidi - CC BY-SA 3.0
Jjmoxy - CC BY-SA 3.0
Tsemii - CC BY 4.0
Mathew Brady - Public Domain
:hu:Snorri -
Bill Wilcox - CC BY 2.0
Bdubay - CC BY-SA 4.0
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Ramsay Richard Reinagle - Public Domain
Nicholls, George, Sir, 1781-1865
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Festival de Cine Africano de Córdoba - CC BY-SA 2.0
Tarkovskiĭ, Andreĭ Arsenʹevich, 1932-1986
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Howitt, William, 1792-1879
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Hesse, Hermann, 1877-1962
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NASA/Ames Research Center - Public Domain
Pollack, James B.
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Contemporary portrait - Public Domain
Payson, Edward, 1783-1827
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McClellan, John Jasper, 1874-1925
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Skarsgård, Stellan
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Macewen, William, Sir, 1848-1924
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Anderson, Thomas, 1819-1874
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Beaugrand, Honoré (1849-1906).
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Public Domain
Price, Hiram, 1814-1901
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Rub117 - CC BY-SA 3.0
Higgins, Aidan, 1927-....
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Public Domain
Eckhart, Meister, -1327
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http://picasaweb.google.com/johnearls - CC BY-SA 2.0
Ryan, Bob, 1946-
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Rohlfs, Christian, 1849-1938
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Pushkina, Natalʹi︠a︡ Nikolaevna, 1812-1863
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Exelmans, Remy Joseph Isidore 1775-1852
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Nathan, George Jean, 1882-1958
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Romissa Mofidi - CC BY-SA 3.0
Baraheni, Reza, 1935-
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Jjmoxy - CC BY-SA 3.0
Jamieson, Don, 1921-
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Hughes, Edward, Sir, approximately 1720-1794
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Tsemii - CC BY 4.0
Aho, Kalevi
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Mathew Brady - Public Domain
Tuckerman, Henry T. (Henry Theodore), 1813-1871
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Salam, Abdus, 1926-1996
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Hardeman, William Polk, 1816-1898
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:hu:Snorri -
Spiró, György, 1946-
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Bill Wilcox - CC BY 2.0
Parker, Graham, 1950-....
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Bdubay - CC BY-SA 4.0
Dubay, William H., 1934-
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Durán y Bas, Manuel, 1823-1907