Image from Wikimedia Commons
Bain News Service; restored by Adam Cuerden - Public Domain
A. Atwood - Public Domain
unknown photographer - Public Domain
unknown - Public Domain
James Kane - CC BY-SA 4.0
Lewie Paine, House of Paine - Public Domain
Colourman - CC BY-SA 3.0
Mathew Brady Levin Corot Handy - Public Domain
Public Domain
Beyond My Ken -
Image from Wikimedia Commons
Bain News Service; restored by Adam Cuerden - Public Domain
Novello, Ivor, 1893-1951
Image from Wikimedia Commons
A. Atwood - Public Domain
Lee, Jason, 1803-1845
Image from Wikimedia Commons
unknown photographer - Public Domain
Jose, Edward
Image from Wikimedia Commons
unknown - Public Domain
Kinney, Abbot, 1850-1920
Image from Wikimedia Commons
Lamond, Frederic, 1868-1948
Image from Wikimedia Commons
James Kane - CC BY-SA 4.0
Ries, Christopher, 1952-
Image from Wikimedia Commons
Ochiltree, Thomas P. (Thomas Peck), 1837-1902
Image from Wikimedia Commons
Latrobe, Ferdinand Claiborne, 1833-1911
Image from Wikimedia Commons
unknown - Public Domain
Hallowell, Benjamin, 1799-1877
Image from Wikimedia Commons
Lewie Paine, House of Paine - Public Domain
Cohn, Jim, 1953-
Image from Wikimedia Commons
unknown - Public Domain
Pusey, Joshua, 1842-1906
Image from Wikimedia Commons
Francis, Joseph, 1801-1893
Image from Wikimedia Commons
Colourman - CC BY-SA 3.0
Bevan, Robert, 1865-1925
Image from Wikimedia Commons
unknown - Public Domain
Spiridonova, Marii︠a︡ Aleksandrovna, 1884-1941
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
Cameron, Angus, 1826-1897
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Public Domain
Kálalová-Di Lotti, Vlasta, 1896-1971
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unknown - Public Domain
Coquillett, D.W. (Daniel William), 1856-1911
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Randolph, A. Philip, 1889-1979
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unknown - Public Domain
Avinoff, Andrey, 1884-1949
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Wilkinson, Tate, 1739-1803
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unknown - Public Domain
Aconcio, Iacopo, -1566
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Insull, Samuel, 1859-1938
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Albert I, Prince of Monaco, 1848-1922
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Public Domain
Penney, J. C. (James Cash), 1875-1971
Image from Wikimedia Commons
Public Domain
Cheremshyna, Marko, 1874-1927
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Clemenceau, Georges, 1841-1929
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unknown - Public Domain
Chaderton, Laurence, 1536?-1640
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Gnanadesikan, Ram, 1932-
Image from Wikimedia Commons
Beyond My Ken -
Corbin, Margaret Cochran, 1751-approximately 1800
Image from Wikimedia Commons
Lister, Moira, 1923-2007