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Bain - Public Domain
unknown - Public Domain
The Nobel Foundation - Public Domain
National Photo Company Collection (Library of Congress) - Public Domain
Ken Seghers - CC BY-SA 2.0
Luzerne County Republican Committee, author. Published in "Times-Leader" (Wilkes-Barre, PA). - Public Domain
Gage Skidmore - CC BY-SA 2.0
Gary Stevens - CC BY 2.0
artwork drawn by Adolph Boÿ, engraved by Jeremias Falck - Public Domain
David Shankbone - CC BY-SA 3.0
Igel B TyMaHe - CC0 1.0
Public Domain
Tararebeka - CC BY 2.0
Marie-Lan Nguyen (Jastrow) - CC BY 2.5
Jean-Charles GUILLO - CC BY-SA 3.0
GuyMaddinDir - CC BY-SA 3.0
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Bain - Public Domain
Bakst, Léon, 1866-1924
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unknown - Public Domain
Alexander Constantine Ionides
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Lindley, John, 1799-1865
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Smith, John, 1580-1631
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Bicci, Giovanni di, 1360-1429
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The Nobel Foundation - Public Domain
Doisy, Edward Adelbert, 1893-1986
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National Photo Company Collection (Library of Congress) - Public Domain
McNamee, Graham, 1888-1942
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Ken Seghers - CC BY-SA 2.0
Cole, Cozy
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Luzerne County Republican Committee, author. Published in "Times-Leader" (Wilkes-Barre, PA). - Public Domain
Carpenter, Edmund Nelson, 1865-1952
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Abourezk, James G. (James George), 1931-
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unknown - Public Domain
Schouler, William, 1814-1872
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Gage Skidmore - CC BY-SA 2.0
Spiner, Brent
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unknown - Public Domain
Duryea, Charles E., 1861-1938
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Garrod, Alfred Baring, 1819-1907
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Gary Stevens - CC BY 2.0
Winans, A. D.
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Blackburn, Luke Pryor, 1816-1887
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Enochs, William Henry, 1842-1893
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artwork drawn by Adolph Boÿ, engraved by Jeremias Falck - Public Domain
Alhazen, 965-1039
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Glennan, Thomas Keith, 1905-1995
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David Shankbone - CC BY-SA 3.0
Didion, Joan
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Igel B TyMaHe - CC0 1.0
Hardinge, Arthur Edward
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Public Domain
Benning, Henry L. (Henry Lewis), 1814-1875
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College of the Holy Cross Worcester, Mass.
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Elkana, Yehuda, 1934-2012
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Tararebeka - CC BY 2.0
Facinelli, Peter, 1973-....
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Marie-Lan Nguyen (Jastrow) - CC BY 2.5
Lindon, Vincent
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unknown - Public Domain
Theorell, Hugo
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Dismorr, Jessica Stewart, 1885-1939
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Jean-Charles GUILLO - CC BY-SA 3.0
Barrière, Alain, 1935-
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GuyMaddinDir - CC BY-SA 3.0
Maddin, Guy