Image from Wikimedia Commons
Kristin Dos Santos - CC BY-SA 2.0
Photofest - Public Domain
Engraving by George Mountain after a 1624 engraving by Thomas Cockson - Public Domain
Fpveronique - CC BY-SA 4.0
Henri Evenepoel - Public Domain
Félix Vallotton - Public Domain
US gov - Public Domain
David Shankbone - CC BY-SA 3.0
anonymous - Public Domain
Public Domain
one source states - Public Domain
Abdoozy - CC BY-SA 3.0
Joaquin Pinto - Public Domain
Album de référence de l'Atelier Nadar. Vol. 6 - Public Domain
Pathare Prabhu - Public Domain
Silforwiki - CC BY-SA 3.0
Image from Wikimedia Commons
Yukawa, Hideki, 1907-1981
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Kristin Dos Santos - CC BY-SA 2.0
Morales, Esai
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Puech, Denys, 1854-1942
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Cromwell, James H. R. (James Henry Roberts), 1896-
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Foley, John Henry, 1818-1874
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Photofest - Public Domain
Cover, Franklin
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Royle, Selena, 1904-1983
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Engraving by George Mountain after a 1624 engraving by Thomas Cockson - Public Domain
White, Francis, 1564?-1638
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Gurney, Joseph-John, 1788-1847
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Wen, Tingyun, 812-approximately 870
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Fpveronique - CC BY-SA 4.0
Skalkottas, Nikolaos, 1904-1949
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Rabier, Benjamin, 1864-1939
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Henri Evenepoel - Public Domain
Pougin, Arthur, 1834-1921
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Félix Vallotton - Public Domain
Fontainas, André, 1865-1948
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US gov - Public Domain
Anderson, Robert B. (Robert Bernerd), 1910-1989
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Sassoferrato, 1609-1685
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David Shankbone - CC BY-SA 3.0
Ricci, Christina
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anonymous - Public Domain
Phillpotts, Eden, 1862-1960
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Renault, Louis, 1843-1918
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Public Domain
Greer, David Hummell, 1844-1919.
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one source states - Public Domain
Pickett, Bill, approximately 1860-1932
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Public Domain
May, Edna, 1878-1948
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Abdoozy - CC BY-SA 3.0
Jones, Mick, 1944-
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Joaquin Pinto - Public Domain
Murillo, Pedro Domingo, 1757-1810
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Goldschmidt, Meïr, 1819-1887
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Album de référence de l'Atelier Nadar. Vol. 6 - Public Domain
Vanloo, Albert, 1846-1920
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Agnesi, Maria Gaetana, 1718-1799
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Public Domain
Miller, William E. (William Edward), 1914-1983
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Pathare Prabhu - Public Domain
Jayakar, Mukund R. (Mukund Ramrao), 1873-
Image from Wikimedia Commons
Silforwiki - CC BY-SA 3.0
Havel, Václav, 1936-2011