Image from Wikimedia Commons
Contemporary photograph - Public Domain
MACBA Museu d'Art Contemporani de Barcelona - CC BY-SA 2.0
unknown - Public Domain
薩鎮冰 - CC0 1.0
Etzagots - CC BY-SA 4.0
Gordon Parks - Public Domain
Teddyyy - CC BY 3.0
Frederick Hollyer - Public Domain
LandiaEgal - CC BY-SA 3.0
unknown - CC BY 3.0
Original photo is anonymous although published by Clark University in 1899. Restoration by Garrondo - Public Domain
Photo - Public Domain
Francis Engleheart (1775-1849), Engraver - Public Domain
unidentified pre-revolutionary russian Photograf (~ self Sabaneev L.L. - ?? ) - Public Domain
Frank Rinehart - CC BY 2.0
Cropped by Off-shell - Public Domain
Breadlipke - CC BY-SA 4.0
Charles Rogers - CC BY-SA 2.5
White House - Public Domain
Image from Wikimedia Commons
Contemporary photograph - Public Domain
Sheppard, H. R. L. (Hugh Richard Lawrie), 1880-1937
Image from Wikimedia Commons
MACBA Museu d'Art Contemporani de Barcelona - CC BY-SA 2.0
Colomer, Jordi, 1962-....
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unknown - Public Domain
Telcs, Ede, 1872-1948
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薩鎮冰 - CC0 1.0
Sa, Zhenbing, 1859-1952
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Ent, George, Sir, 1604-1689
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Etzagots - CC BY-SA 4.0
Chauveau, François, 1613-1676
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Ewing, Juliana Horatia, 1841-1885
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Gordon Parks - Public Domain
Brown, Lawrence, 1907-1988
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Birkett, Norman Birkett, Baron, 1883-1962
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Wilkes, Charles, 1798-1877
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Teddyyy - CC BY 3.0
Hardy, Françoise
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unknown - Public Domain
MacKillop, Mary, Saint, 1842-1909
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Vanloo, Carle, 1705-1765
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Frederick Hollyer - Public Domain
Hutton, Richard Holt, 1826-1897
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Saleeby, C. W. (Caleb Williams), 1878-1940
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LandiaEgal - CC BY-SA 3.0
Guédiguian, Robert, 1953-
Image from Wikimedia Commons
unknown - CC BY 3.0
Lippi-Green, Rosina
Image from Wikimedia Commons
Original photo is anonymous although published by Clark University in 1899. Restoration by Garrondo - Public Domain
Ramón y Cajal, Santiago, 1852-1934
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Photo - Public Domain
Snyder, Ruth May, -1928
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Bocage, Manuel María Barbosa du, 1765-1805
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Francis Engleheart (1775-1849), Engraver - Public Domain
Aikin, John, 1747-1822
Image from Wikimedia Commons
unidentified pre-revolutionary russian Photograf (~ self Sabaneev L.L. - ?? ) - Public Domain
Sabaneyev, Leonid
Image from Wikimedia Commons
Frank Rinehart - CC BY 2.0
White Swan (Crow warrior), 1851 or 1852-1904
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Cropped by Off-shell - Public Domain
Hadamard, Jacques, 1865-1963
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Breadlipke - CC BY-SA 4.0
Wood, Brian, 1948-
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Belasco, David, 1853-1931
Image from Wikimedia Commons
Daggett, Rollin Mallory, 1831-1901
Image from Wikimedia Commons
Burke, Richard, 1758-1794
Image from Wikimedia Commons
Charles Rogers - CC BY-SA 2.5
Conway, Lynn.
Image from Wikimedia Commons
White House - Public Domain
Rove, Karl