Image from Wikimedia Commons
Benjamin Robert Haydon - Public Domain
Hedvig Bjerknes - CC BY-SA 4.0
United States. Office of War Information. Overseas Picture Division. Washington Division; 1944 - Public Domain
Tania Gail - CC BY 2.0
Mathew Brady Levin Corot Handy - Public Domain
Slowking -
Paul Katzenberger - CC BY-SA 3.0
Anonymous - Public Domain
Washington Oxi Day Foundation https://www.flickr.com/photos/oxidayfoundation/ - CC BY-SA 2.0
unknown - Public Domain
Public Domain
:en:Neddyseagoon - CC BY 2.5
Universal Pictures - Public Domain
not stated - Public Domain
b r e n t - CC BY 2.0
Image from Wikimedia Commons
Benjamin Robert Haydon - Public Domain
Cadbury, Richard Tapper, 1768-1860
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Hedvig Bjerknes - CC BY-SA 4.0
Bjerknes, Jakob, 1897-....
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Folinsbee, John Fulton, 1892-1972
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Gaskell, Elizabeth Cleghorn, 1810-1865
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Pitzer, Kenneth S. (Kenneth Sanborn), 1914-1997
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Martin, John Leonard Roosevelt, 1904-1965
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United States. Office of War Information. Overseas Picture Division. Washington Division; 1944 - Public Domain
Woodward, Clark Howell, 1877-1967
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Tania Gail - CC BY 2.0
Steyn, Mark
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O'Connell, Arthur, 1908-1981
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Mathew Brady Levin Corot Handy - Public Domain
Dunnell, Mark H. (Mark Hill), 1823-1904
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Mathew Brady Levin Corot Handy - Public Domain
McDonald, Joseph E. (Joseph Ewing), 1819-1891
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Slowking -
Marcus, Ben, 1967-....
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Paul Katzenberger - CC BY-SA 3.0
Kelemen, Fred, 1964-....
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Smith, Elizabeth Oakes Prince, 1806-1893
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Bull, Ole, 1810-1880
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White, John Ernest, 1875-1949
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Anonymous - Public Domain
Kruger, Paul, 1825-1904
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Washington Oxi Day Foundation https://www.flickr.com/photos/oxidayfoundation/ - CC BY-SA 2.0
Gershman, Carl
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Castro, Rosalía de, 1837-1885
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unknown - Public Domain
Bell, Charles J. (Charles James), 1845-1909
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Public Domain
Harsdörffer, Georg Philipp, 1607-1658
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Sturt, Charles, 1795-1869
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:en:Neddyseagoon - CC BY 2.5
Cartwright, John, 1740-1824
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Eaton, John Henry, 1790-1856
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Universal Pictures - Public Domain
Summerville, Slim, 1892-1946
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unknown - Public Domain
Shimaki, Kensaku, 1903-1945
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Heermann, Hugo, 1844-1935
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not stated - Public Domain
Repplier, Agnes, 1855-1950
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White, John Williams, 1849-1917
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b r e n t - CC BY 2.0
Patty, Sandi, 1956-