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Floatjon - CC BY-SA 3.0
User of Waffle TV YouTube channel (https://www.youtube.com/user/waffIeTvUK/) -
Malvina Hoffman - Public Domain
Rob Mieremet / Anefo - CC0 1.0
Unattributed - Public Domain
HubertSt - CC BY-SA 4.0
Acancino - CC BY-SA 3.0
Erling Mandelmann - CC BY-SA 3.0
Eduard Hau - Public Domain
unknown - Public Domain
unknown photographer - Public Domain
Jonah Most - CC BY-SA 3.0
United States Army - Public Domain
Max Planck Gesellschaft (Eurobas - CC BY-SA 3.0
original uploader - Public Domain
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Hale, Frederick, 1874-1963
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Biehn, Michael, 1956-....
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Floatjon - CC BY-SA 3.0
Zamperini, Louis, 1917-2014
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Acland, Sarah Angelina, 1849-1930
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User of Waffle TV YouTube channel (https://www.youtube.com/user/waffIeTvUK/) -
Brandreth, Gyles Daubeney, 1948-....
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Copernicus, Nicolaus, 1473-1543
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Malvina Hoffman - Public Domain
Hoffman, Richard, 1831-1909
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Rob Mieremet / Anefo - CC0 1.0
Boccara, Frida
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Jackson, Freda, 1909-1990
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Unattributed - Public Domain
Howard of Penrith, Esme Howard, Baron, 1863-1939
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HubertSt - CC BY-SA 4.0
Fuchs, Johann Nepomuk von 1774-1856
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Jones, Jonah, 1909-2000
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Acancino - CC BY-SA 3.0
Santos, Anthony
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Erling Mandelmann - CC BY-SA 3.0
Panton, Verner, 1926-1998
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Eduard Hau - Public Domain
Bunge, Alexander von 1803-1890
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Stern, Isaac, 1920-2001.
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Wordie, J. M. (James Mann), Sir, 1889-1962
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unknown - Public Domain
Kirkwood, James, 1875-1963
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Edwards, John, 1953 June 10-
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Hackenschmidt, George, 1877-1968
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Lee, Frances, 1908-2000
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Stevens, Leith, 1909-1970
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unknown photographer - Public Domain
Kelly, Luther S. (Luther Sage), 1849-1928
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unknown - Public Domain
Lévis, Pierre-Marc-Gaston, duc de, 1764-1830
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Jonah Most - CC BY-SA 3.0
Most, Stephen
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United States Army - Public Domain
McNarney, Joseph Taggart, 1893-1972
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Cadvan, 1846-1923
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Max Planck Gesellschaft (Eurobas - CC BY-SA 3.0
Lorenz, Konrad, 1903-1989
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unknown - Public Domain
Reed, John Oren, 1856-1916
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original uploader - Public Domain
Büchmann, Georg, 1822-1884