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David Torcivia at https://www.flickr.com/people/23643241@N05 - CC BY-SA 2.0
Not mentioned - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
David Shankbone - CC BY-SA 3.0
User Sannse -
T Sills 1850 - Public Domain
Mark Kidd Studios -
unknown - Public Domain
Self portrait - Public Domain
Haleiwajane - CC BY-SA 3.0
Radio News Staff - Public Domain
Judith Sedwick -
Emery Walker - Public Domain
Aaron Fulkerson - CC BY-SA 2.0
M0tty - Public Domain
John Nelson Arnold - Public Domain
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David Torcivia at https://www.flickr.com/people/23643241@N05 - CC BY-SA 2.0
Bullock, Sandra
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Not mentioned - Public Domain
Maria Hedwig, Herzogin von Sachsen-Meiningen, 1647-1680
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Mathew Brady Levin Corot Handy - Public Domain
Thayer, John M. (John Milton), 1820-1906
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David Shankbone - CC BY-SA 3.0
Robinson, Jerry.
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Albright, William Foxwell, 1891-1971
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User Sannse -
McMath, Sid
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Meek, A. B. (Alexander Beaufort), 1814-1865
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T Sills 1850 - Public Domain
Gilliss, J. M. (James Melville), 1811-1865
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Mark Kidd Studios -
Moffett, Judith, 1942-
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Camões, Luís de, 1524?-1580
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Tilton, Théodore 1835-1907
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unknown - Public Domain
Gates, Elmer, 1859-1923
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Lindley, Charles
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Leon, Herbert S. (Herbert Samuel), 1850-1926
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Zapruder, Abraham
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Day, Doris, 1924-
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Self portrait - Public Domain
Santa María, Andrés de 1860-1945
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Krogh, August, 1874-1949
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Haleiwajane - CC BY-SA 3.0
Bell, Jeffrey, 1943....
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Doddridge, John, Sir, 1555-1628
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Radio News Staff - Public Domain
Gernsback, Hugo
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Hope, Henry, 1735 or 1736-1811
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Judith Sedwick -
West, Dorothy, 1907?-1998
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Emery Walker - Public Domain
Allingham, William, 1824-1889
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Aaron Fulkerson - CC BY-SA 2.0
Tufte, Edward R., 1942-....
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Simon, Simone
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M0tty - Public Domain
Marin, Jacques, 1919-2001
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Mamoulian, Rouben.
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John Nelson Arnold - Public Domain
Guild, Reuben Aldridge, 1822-1899
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Andreassen, Elisabeth