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George Richmond - Public Domain
Pedro Felipe - CC BY-SA 3.0
US Government - Public Domain
Kittybrewster - Public Domain
Lithograph : unknown/ Scan : Remi Mathis - Public Domain
GFHund - CC BY 3.0
unknown photographer - Public Domain
Photo property of the Parsons family. Submitted to Wikipedia by James Parsons. Photo taken sometime between 1926 and 1941, likely by one of her children with her own camera, but exact photographer is unknown. - CC BY-SA 3.0
Alan Light - CC BY 2.0
Bain - Public Domain
W. A. Retzer<ref name="Dear-Master-2004" /> - Public Domain
Aaron Getting - Public Domain
Robert Grau (1858-1916) - Public Domain
Nobel Foundation - Public Domain
Jmabel - CC BY-SA 3.0
unknown - Public Domain
State of Louisiana - Public Domain
Stephencdickson - CC BY-SA 4.0
steve cranston - CC BY-SA 2.0
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Cherry, Robert Gregg, 1891-1957
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George Richmond - Public Domain
Teignmouth, John Shore, Baron, 1751-1834
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Pedro Felipe - CC BY-SA 3.0
Bursztyn, Feliza
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Grew, Nehemiah, 1641-1712
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US Government - Public Domain
Harmon, Millard Fillmore, 1888-1945
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Couturier, Marie-Alain, 1897-1954
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Kittybrewster - Public Domain
Arbuthnot, Charles, 1767-1850
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Lithograph : unknown/ Scan : Remi Mathis - Public Domain
Delisle, Léopold, 1826-1910
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GFHund - CC BY 3.0
Sponer, Hertha, 1895-1968
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unknown photographer - Public Domain
Powell, E. Alexander (Edward Alexander), 1879-
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Photo property of the Parsons family. Submitted to Wikipedia by James Parsons. Photo taken sometime between 1926 and 1941, likely by one of her children with her own camera, but exact photographer is unknown. - CC BY-SA 3.0
Parsons, Elsie Worthington Clews, 1874-1941
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Alan Light - CC BY 2.0
Dorf, Shel
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Bain - Public Domain
Creel, George, 1876-1953
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W. A. Retzer<ref name="Dear-Master-2004" /> - Public Domain
Cocke, John Hartwell, 1780-1866
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Tyndall, John, 1820-1893
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Giovannitti, Arturo
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Carracci, Antonio, approximately 1583-1618
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Aaron Getting - Public Domain
Draper, John T.
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Pierpont, James, 1660-1714
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Beymer, Richard, 1939-....
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Robert Grau (1858-1916) - Public Domain
Leonard, Marion, 1881-1956
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Nobel Foundation - Public Domain
Florey, Howard, Baron Florey, 1898-1968
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Jmabel - CC BY-SA 3.0
Coontz, Stephanie
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unknown - Public Domain
Burn, Amos, 1848-1925
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Nothomb, Charles-Ferdinand
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Whitelocke, John, 1757-1833
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State of Louisiana - Public Domain
Allen, Oscar K. (Oscar Kelly), 1882-1936
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Grüninger, Paul, 1891-
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Stephencdickson - CC BY-SA 4.0
Laycock, Thomas, 1812-1876
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steve cranston - CC BY-SA 2.0
Cummings, Jim, 1952-