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Albert Rosenthal (after w:John Trumbull - Public Domain
No photographer credited. - Public Domain
unknown - Public Domain
The National Archives UK -
Uvafis - CC BY-SA 4.0
Atelier Elvira Sophie Goudstikker (1865-1924) - Public Domain
Ф. С. Рокотов - Public Domain
Pierre-Yves Dhinaut - CC BY-SA 3.0
Pauldiv - CC BY-SA 3.0
MGM - Public Domain
U.S. Department of Defense - Public Domain
Bain - Public Domain
Image from Wikimedia Commons
Albert Rosenthal (after w:John Trumbull - Public Domain
Harrison, Robert Hanson, 1745-1790
Image from Wikimedia Commons
Raban, Zeʼev, 1890-1970
Image from Wikimedia Commons
No photographer credited. - Public Domain
Langenhoven, Cornelis Jakob, 1873-1932
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unknown - Public Domain
Du Pont, Eleuthère Irénée, 1771-1834
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Hancock, John
Image from Wikimedia Commons
The National Archives UK -
Nkrumah, Kwame, 1909-1972
Image from Wikimedia Commons
Addy, Mark, 1963-
Image from Wikimedia Commons
Uvafis - CC BY-SA 4.0
Hooykaas, Else Madelon
Image from Wikimedia Commons
Blume, Judy, 1938-
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unknown - Public Domain
Read, George C. (George Campbell), 1787-1862
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Helmholtz, Hermann von 1821-1894
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unknown - Public Domain
Grimké, Angelina Emily, 1805-1879
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Linden, Hal
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Atelier Elvira Sophie Goudstikker (1865-1924) - Public Domain
Augspurg, Anita, 1857-1943
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Packer, Asa, 1805-1879
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Louis-Joseph-Xavier, Dauphin of France, 1781-1789
Image from Wikimedia Commons
Vischer, Friedrich Theodor, 1807-1887
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Kirchbach, Wolfgang
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Ф. С. Рокотов - Public Domain
Catherine II, Empress of Russia, 1729-1796
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Nelson, Frances, Lady, 1761-1831
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Smith, Francis, 1723-1791
Image from Wikimedia Commons
Pierre-Yves Dhinaut - CC BY-SA 3.0
Bayes, Gilbert, 1872-1953
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Holland, Charles, 1733-1769
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Allen, Henry T. (Henry Tureman), 1859-1930
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Patenaude, Esioff-Léon, 1875-1963
Image from Wikimedia Commons
Pauldiv - CC BY-SA 3.0
Squiban, Didier, 1959-....
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unknown - Public Domain
Hecker, Friedrich, 1811-1881
Image from Wikimedia Commons
MGM - Public Domain
Smith, John, 1931-1995
Image from Wikimedia Commons
U.S. Department of Defense - Public Domain
Mickelson, George S.
Image from Wikimedia Commons
Bain - Public Domain
Wolf, Simon, 1836-1923