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Asch58 - CC BY-SA 4.0
Devi Prasad -
GFHund - CC BY 3.0
Louis Chorislithograph by Joseph Langlumé after the self-portrait of Louis Choris - Public Domain
Kevin Bryant - Public Domain
Lizvogt63 - CC BY-SA 3.0
unknown - Public Domain
Harris & Ewing, photographer - Public Domain
David Berkowitz - CC BY 2.0
Ryank0984 - CC BY-SA 3.0
Mathew Brady - Public Domain
Matthew Duchesne - CC BY 3.0
Nomu420 - CC BY-SA 3.0
There is no photographer or source shown on either side of the photo, as per the University of Missouri description as source: unknown - Public Domain
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Asch58 - CC BY-SA 4.0
De Chirico, Giorgio, 1888-1978
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Devi Prasad -
Fry, A. Ruth (Anna Ruth), 1878-1962
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GFHund - CC BY 3.0
Rayleigh, Robert John Strutt, baron, 1875-1947
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Hornby, J. J. (James John), 1826-1909
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Louis Chorislithograph by Joseph Langlumé after the self-portrait of Louis Choris - Public Domain
Choris, Louis, 1795-1828
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Kevin Bryant - Public Domain
Smith, Albert, 1816-1860
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Ferro, Pablo
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Nowell, Alexander, 1507?-1602
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White, T. D. (Timothy D.)
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Lizvogt63 - CC BY-SA 3.0
Clayton, Donald D.
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Blair, John Insley, 1802-1899
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Welser, Philippine, 1527-1580
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unknown - Public Domain
Sachau, Eduard, 1845-1930
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Harris & Ewing, photographer - Public Domain
Andrews, George, 1850-1928
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Gilligan, Vince
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David Berkowitz - CC BY 2.0
Cuomo, Mario Matthew
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Colman, Samuel, 1832-1920
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Hale, Philip Leslie, 1865-1931
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Abingdon, James Bertie, Earl of, 1653-1699
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Ryank0984 - CC BY-SA 3.0
Dolin, Eric Jay
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Sterling, Jan, 1923-2004
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Hopper, Jo N. (Josephine Nivison), 1883-1968
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Mathew Brady - Public Domain
Grinnell, Josiah Bushnell, 1821-1891
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Hofstadter, Robert, 1915-1990
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Matthew Duchesne - CC BY 3.0
Hirst, J. B. (John Bradley)
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Churchill, Winston, 1874-1965
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Kazan, Lainie
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Nomu420 - CC BY-SA 3.0
Dayanita Singh
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There is no photographer or source shown on either side of the photo, as per the University of Missouri description as source: unknown - Public Domain
Collins, Dorothy, 1926-1994
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Karl Alexander, Margrave of Ansbach-Bayreuth, 1736-1806