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Anonymous - CC BY 3.0
Zfellone - CC BY-SA 4.0
unknown - Public Domain
Clifford Canty - CC BY-SA 2.0
Robert Burgess - Public Domain
unknown photographer - Public Domain
Public Domain
Godefroy Engelmann - Public Domain
From the Lasker Award Archives, at the Images from the History of Medicine, U.S. National Library of Medicine (NLM), National Institutes of Health (NIH). - Public Domain
Photograph - Public Domain
jp:朝日新聞社 - Public Domain
NASA - Public Domain
Augustus Washington - Public Domain
Anatole Louis Godet, photographe (1839-1887) - Upload, stitch and restoration by Jebulon - Public Domain
unknown photographer -
US Army - Public Domain
Mathew Brady - Public Domain
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Boulanger, Gustave Clarence Rodolphe, 1824-1888
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Anonymous - CC BY 3.0
Akhandananda, Swami, 1864-1937
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Shaw, George, 1751-1813
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Zfellone - CC BY-SA 4.0
Newman, Walter S. (Walter Stephenson), 1895-1978
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Stevenson, Edward (Edward M.)
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Collot d'Herbois, Jean-Marie, 1750-1796
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unknown - Public Domain
Cagli, Corrado, 1910-1976
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Clifford Canty - CC BY-SA 2.0
Drew, Martin
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Bloch, Ernst, 1885-1977
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Robert Burgess - Public Domain
Carter, Janette
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unknown photographer - Public Domain
McKenzie, Roderick, 1852-1934
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Brabrook, Edward William, 1839-1930
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unknown - Public Domain
Richmond, Thomas, 1802-1874,
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Baugh, Alexander L.
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Public Domain
Lockwood, Charles A., 1890-1967
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Wilmot, John Eardley, Sir, 1709-1792
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Godefroy Engelmann - Public Domain
Czerny, Carl, 1791-1857
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Lindgren, Waldemar, 1860-1939
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Fortescue, Hugh Fortescue, Earl, 1753-1841
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From the Lasker Award Archives, at the Images from the History of Medicine, U.S. National Library of Medicine (NLM), National Institutes of Health (NIH). - Public Domain
Neufeld, Elizabeth F., 1928-....
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Photograph - Public Domain
Beecher, Charles, 1815-1900
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jp:朝日新聞社 - Public Domain
Kase, Toshikazu, 1903-2004
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NASA - Public Domain
Gemini 1 (Spacecraft)
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Augustus Washington - Public Domain
Priest, James M., -1883
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Anatole Louis Godet, photographe (1839-1887) - Upload, stitch and restoration by Jebulon - Public Domain
Puvis de Chavannes, Pierre, 1824-1898
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Innocent XIII, Pope, 1655-1724
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unknown photographer -
Huysmans, Camille, 1871-1968
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US Army - Public Domain
Peers, William R. (William Raymond), 1914-
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Mathew Brady - Public Domain
Brown, B. Gratz (Benjamin Gratz), 1826-1885
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Bennett, George, 1804-1893