Image from Wikimedia Commons
Stuart C. Shapiro - CC BY-SA 3.0
Uknown War Photographer - Public Domain
unknown - Public Domain
Erling Mandelmann - CC BY-SA 3.0
Francis Bazley Lee (1869-1914) - Public Domain
unknown photographer - Public Domain
Public Domain
Desconocido (siglo XIX) - Public Domain
Marie Gallicher - CC BY-SA 3.0
Allen Smith - Public Domain
Original photo is anonymous although published by Clark University in 1899. Restoration by Garrondo - Public Domain
MZaplotnik - CC BY-SA 3.0
Photo by G. Haslinger. - Public Domain
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Mannerheim, Carl Gustaf Emil, 1867-1951
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Stuart C. Shapiro - CC BY-SA 3.0
Achebe, Chinua
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Dibelius, Otto, 1880-1967
Image from Wikimedia Commons
Uknown War Photographer - Public Domain
Conner, Fox, 1874-1951
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unknown - Public Domain
Duval, Amaury, 1760-1838
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Erling Mandelmann - CC BY-SA 3.0
Segovia, Andrés
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Stanley, Thomas B. (Thomas Bahnson), 1890-1970
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King, William, 1650-1729
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Romney, George, 1734-1802
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Francis Bazley Lee (1869-1914) - Public Domain
Olden, Charles S. (Charles Smith), 1799-1876
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unknown photographer - Public Domain
Warner, Albert, 1883-1967
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Public Domain
Kelly, Joe W. (Joe William), 1910-1979
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Ieng Thirith, 1932-
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Desconocido (siglo XIX) - Public Domain
Carondelet, Luis Héctor, barón de, 1748-1807
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Leonard, John Edwards, 1845-1878
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Cline, Isaac Monroe, 1861-1955
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Eaton, Daniel Cady, 1834-1895
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unknown - Public Domain
Stephens, Alice Barber, 1858-1932
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Giacomelli, Geminiano, approximately 1692-1740
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Marie Gallicher - CC BY-SA 3.0
Porter, Eric, 1928-1995
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Burlington, Richard Boyle, Earl of, 1612-1698
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Allen Smith - Public Domain
Kirtland, J. P. (Jared Potter), 1793-1877
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unknown - Public Domain
Spinelli, Altiero
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Schwarzschild, K. (Karl), 1873-1916
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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Turner, Kathleen, 1954-
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MZaplotnik - CC BY-SA 3.0
Novak, Boris A.
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Photo by G. Haslinger. - Public Domain
Hackel, E. (Eduard), 1850-1926
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Redman, John, 1722-1808
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Guittone, d'Arezzo, -1294