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NASA - Public Domain
Unknown - Public Domain
A. B. Lagrelius & Westphal, Stockholm - Public Domain
OTFW - CC BY-SA 3.0
Emma Rodewald - CC BY-SA 3.0
Mathew Brady - Public Domain
unknown - Public Domain
US Government Printing Office - Public Domain
Photo scanned by South Carolina Political Collections at the University of South Carolina - CC BY-SA 4.0
unknown photographer - Public Domain
White House Photo Office - Public Domain
Perry, William Stevens - Public Domain
Georges Biard - CC BY-SA 3.0
Lithographie von Sprick nach Zeichnung von F.Krüger - Public Domain
Johndog1957 - CC BY-SA 4.0
GodWhat - CC BY-SA 4.0
The Nobel Foundation - Public Domain
Keith8404 - CC BY-SA 3.0
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Peale, Raphaelle, 1774-1825
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NASA - Public Domain
Fettman, Martin J., 1956-
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Unknown - Public Domain
Abrial, André-Joseph, 1750-1828
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A. B. Lagrelius & Westphal, Stockholm - Public Domain
Stark, Johannes, 1874-1957
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OTFW - CC BY-SA 3.0
Sidur, Vadim
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Porter, Cole, 1891-1964
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Emma Rodewald - CC BY-SA 3.0
Coyne, Jerry A., 1949-....
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Marston, Robert Q., 1923-
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Mathew Brady - Public Domain
Keene, Laura, 1826-1873
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unknown - Public Domain
Romero, Federico, 1886-1976
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US Government Printing Office - Public Domain
Byron, Goodloe Edgar, 1929-1978
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Photo scanned by South Carolina Political Collections at the University of South Carolina - CC BY-SA 4.0
Wyche, Charles Cecil, 1885-1966
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Olmos, Edward James
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Alter, Victor, 1890-1941
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unknown photographer - Public Domain
McCullough, Jack, 1860-1947
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Narkiss, Uzi, 1925-
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Alfieri, Vittorio, 1749-1803
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Sörenstam, Annika, 1970-
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Mitchell, William D. (William De Witt), 1874-
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White House Photo Office - Public Domain
Saxbe, William B.
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Perry, William Stevens - Public Domain
Rutledge, Francis Huger, 1799?-1866
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Georges Biard - CC BY-SA 3.0
Binoche, Juliette, 1964-....
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Lithographie von Sprick nach Zeichnung von F.Krüger - Public Domain
Tieck, Friedrich, 1776-1851
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Chaplin, Ralph, 1887-1961
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Johndog1957 - CC BY-SA 4.0
Brown, Lewis H. (Lewis Herold), 1894-
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Felton, C. C. (Cornelius Conway), 1807-1862
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Farr, Sam
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GodWhat - CC BY-SA 4.0
Neill, John R. (John Rea)
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The Nobel Foundation - Public Domain
Whipple, George Hoyt, 1878-1976
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Keith8404 - CC BY-SA 3.0
Bennett, Henry Garland, 1886-1951