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Maksymilian Fajans (1827-1890) - Public Domain
PHC W. Mason, United States Navy - Public Domain
Sir Joshua Reynolds - Public Domain
Ernest Rude - CC BY-SA 4.0
REUVEN FRIZI - CC BY-SA 3.0
unknown - Public Domain
Airman 1st Class Eric Summers - Public Domain
Public Domain
Mathew Brady - Public Domain
NatGertler - CC BY-SA 3.0
Frederick Calvin Norton, author. The Connecticut Magazine (Hartford, CT), publisher. - Public Domain
Edward Angelo Goodall (1819-1908) - Public Domain
Ifirsten - CC BY-SA 4.0
Photographed by PJMweb - CC BY-SA 2.5
Fred Schiffer, Archives of BC - CC BY-SA 4.0
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Lindley, Nathaniel Lindley, Baron, 1828-1921
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Maksymilian Fajans (1827-1890) - Public Domain
Fredro, Aleksander, 1793-1876
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PHC W. Mason, United States Navy - Public Domain
Zumwalt, Elmo R., 1920-2000
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Sir Joshua Reynolds - Public Domain
Hely-Hutchinson, John, 1724-1794
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Ernest Rude - CC BY-SA 4.0
Mohr, Otto Lous
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REUVEN FRIZI - CC BY-SA 3.0
Peretz, Kobi
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Rungenhagen, Carl Friedrich, 1778-1851
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unknown - Public Domain
Doddridge, Philip, 1773-1832
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Mayer, Tobias, 1723-1762
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Abbot, John, 1751-1840
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Airman 1st Class Eric Summers - Public Domain
Arnold, Tichina, 1971-
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Goldblum, Jeff, 1952-....
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Public Domain
Cheney, Person Colby, 1828-1901
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Mathew Brady - Public Domain
Gilmer, John A. (John Adams), 1805-1868
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unknown - Public Domain
Foster, Stephen Collins
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Alston, Walter, 1911-1984
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Fenton, George
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NatGertler - CC BY-SA 3.0
Gertler, Nat.
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Whitney, Caspar, 1862?-1929
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Public Domain
Schröder-Devrient, Wilhelmine, 1804-1860
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unknown - Public Domain
Rivé-King, Julie, 1854-1937
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Gurley, Jno. A. (John Addison), 1813-1863
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Frederick Calvin Norton, author. The Connecticut Magazine (Hartford, CT), publisher. - Public Domain
Cleveland, Chauncey F. (Chauncey Fitch), 1799-1887
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Vorovskiĭ, V. V. (Vat︠s︡lav Vat︠s︡lavovich), 1871-1923
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Edward Angelo Goodall (1819-1908) - Public Domain
Goodall, Edward A.
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Ifirsten - CC BY-SA 4.0
Firstenberg, Sam, 1950-
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Dolbear, A. E. (Amos Emerson), 1837-1910
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Photographed by PJMweb - CC BY-SA 2.5
Williams, Dar
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Fred Schiffer, Archives of BC - CC BY-SA 4.0
Barrett, Dave, 1930-
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Penny, Timothy J.