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Joseph Rodes Buchanan - Public Domain
Suse Byk -
Andy Newcombe - CC BY-SA 2.0
Public Domain
photographer-J. Abresch, New York. - Public Domain
gdcgraphics at https://www.flickr.com/photos/gdcgraphics/ -
unknown - Public Domain
Schlesinger Library, RIAS, Harvard University -
user at project - CC BY-SA 3.0
NASA - Public Domain
Adam Roberts (scholar) - CC BY-SA 3.0
*:File:Norman-safier_copy.jpg - CC BY-SA 3.0
Fotograf im Auftrag der :de:United States Information Agency - Public Domain
not stated - Public Domain
original uploader - Public Domain
Tom Marcello - CC BY-SA 2.0
Jdsteakley - CC BY-SA 4.0
Pierre Petit - Public Domain
Marceau - Public Domain
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Blundell, Graeme
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Joseph Rodes Buchanan - Public Domain
Buchanan, Joseph R. (Joseph Rodes), 1814-1899
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Suse Byk -
Graener, Paul, 1872-1944
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Wright, Orville, 1871-1948
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Andy Newcombe - CC BY-SA 2.0
Bryars, Gavin
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Public Domain
Hobart, John Sloss, 1738-1805
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photographer-J. Abresch, New York. - Public Domain
Glenn, Carroll
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gdcgraphics at https://www.flickr.com/photos/gdcgraphics/ -
McKellar, Don, 1963-....
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Dempster, George, 1732-1818
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Salvisberg, Otto Rudolf, 1882-1940
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unknown - Public Domain
Vasarely, Victor, 1906-1997
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Schlesinger Library, RIAS, Harvard University -
George, Zelma, 1903-1994
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user at project - CC BY-SA 3.0
Nickels, Greg
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NASA - Public Domain
Thagard, Norman E., 1943-
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Adam Roberts (scholar) - CC BY-SA 3.0
Smith, Janet Adam.
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Apel, August, 1771-1816
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*:File:Norman-safier_copy.jpg - CC BY-SA 3.0
Norman, Marsha
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Fotograf im Auftrag der :de:United States Information Agency - Public Domain
Werner, Oskar, 1922-1984
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not stated - Public Domain
Stevenson, Egbert, 1872-1962
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Spreckels, Adolph B. 1857-1924
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original uploader - Public Domain
Cornelius, Peter, 1824-1874
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Fitzherbert, Maria Anne, 1756-1837
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Tom Marcello - CC BY-SA 2.0
Johnson, Alphonso
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Walton, Ernest, 1903-1995
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Milken, Michael
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Jdsteakley - CC BY-SA 4.0
Bray, Alan
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Kurtz, William, 1833-1904
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Pierre Petit - Public Domain
Savard, Marie Gabriel Augustin
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Marceau - Public Domain
Pope, Albert A. (Albert Augustus), 1843-1909
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Inglefield, John Nicholson, 1748-1828