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Kristin Dos Santos - CC BY-SA 2.0
Public Domain
Royden Dixon for the Office of War Information - Public Domain
unknown - Public Domain
NIH - CC0 1.0
Georges Biard - CC BY-SA 3.0
artwork drawn by Adolph Boÿ, engraved by Jeremias Falck - Public Domain
Lincoln Alexander Centre - CC0 1.0
Unknown (Bassano Ltd) -
author - Public Domain
Unidentified photographer ca. 1860 - Public Domain
Anonymous - Public Domain
*:File:Martine_Aubry_-_avril_2012_(3).jpg - CC BY-SA 2.0
George G. Rockwood - Public Domain
Jburlinson - CC BY-SA 3.0
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Kristin Dos Santos - CC BY-SA 2.0
Handler, Evan
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Sarpi, Paolo, 1552-1623
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Public Domain
Lee, Elisha, 1870-1933
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Royden Dixon for the Office of War Information - Public Domain
Teagle, Walter C. (Walter Clark), 1878-1962
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Lennox, Sarah, Lady, 1745-1826
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Wiley, Harvey Washington, 1844-1930
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Morera, Enric, 1865-1942
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unknown - Public Domain
Malagodi, Giovanni
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NIH - CC0 1.0
Kouwenhoven, W. B. (William Bennett), 1886-1975
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Barry, Thomas Henry, 1855-1919
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Georges Biard - CC BY-SA 3.0
Thurman, Uma
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artwork drawn by Adolph Boÿ, engraved by Jeremias Falck - Public Domain
Alhazen, 965-1039
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Lincoln Alexander Centre - CC0 1.0
Alexander, Lincoln M. (Lincoln MacCauley), 1922-2012
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Unknown (Bassano Ltd) -
Davies, Clement, 1884-1962
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Mikszáth, Kálmán, 1847-1910
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author - Public Domain
Sproul, William C. (William Cameron), 1870-1928
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unknown - Public Domain
Harrison, Henry Sydnor, 1880-1930
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Unidentified photographer ca. 1860 - Public Domain
Wright, Charles, 1811-1885
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Anonymous - Public Domain
Bernfeld, Siegfried, 1892-1953
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*:File:Martine_Aubry_-_avril_2012_(3).jpg - CC BY-SA 2.0
Aubry, Martine, 1950 August 8-
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Gardner, Daniel, 1750-1805
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George G. Rockwood - Public Domain
Cox, Louise Howland King, 1865-1945
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Sparks, Ned, 1883-1957
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Gordon, Armistead C. (Armistead Churchill), 1855-1931
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Rolette, Joseph, 1820-1871
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Soffer, Sasson
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Jburlinson - CC BY-SA 3.0
Brand, Christianna, 1907-1988
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Robin, Dany
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Wynfield, David Wilkie, 1837-1887
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Jones, William, 1726-1800