Image from Wikimedia Commons
James Soame (died in 1934) [https://www.npg.org.uk/collections/search/person/mp07834/james-soame?role=art] - Public Domain
G. Staal - Public Domain
Manuguf - CC BY-SA 3.0
John Singer Sargent - Public Domain
Les Kaner - CC BY 3.0
Bowman (Sgt), No 2 Army Film & Photographic Unit - Public Domain
Contemporary portrait - Public Domain
National Park Service - Public Domain
Youngjim - CC BY-SA 4.0
Jerome Tobias - CC BY 2.0
Silly rabbit - CC BY 3.0
Billinghurst -
Jacco Barth - CC BY-SA 2.0
Itzik18 - Public Domain
Emilius Bærentzen and C. M. Tegner; - Public Domain
unknown - Public Domain
NASA; cropped to show Preston Bassett only - Public Domain
Image from Wikimedia Commons
James Soame (died in 1934) [https://www.npg.org.uk/collections/search/person/mp07834/james-soame?role=art] - Public Domain
Sidgwick, Nevil Vincent, 1873-1952
Image from Wikimedia Commons
Marshall, Benjamin, 1767-1835
Image from Wikimedia Commons
G. Staal - Public Domain
Moreau, Hégésippe, 1810-1838
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Manuguf - CC BY-SA 3.0
Kraus, Tomas
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Anderson, Kenneth E. (Kenneth Eugene), 1910-1985
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Schlegel, H. (Hermann), 1804-1884
Image from Wikimedia Commons
John Singer Sargent - Public Domain
Lewis, George Henry, Sir, 1833-1911
Image from Wikimedia Commons
John Singer Sargent - Public Domain
Bywater, Ingram, 1840-1914
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Murray, John, 1778-1843
Image from Wikimedia Commons
Les Kaner - CC BY 3.0
Bier, Susanne, 1960-....
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Bowman (Sgt), No 2 Army Film & Photographic Unit - Public Domain
Anderson, Kenneth, 1891-1959
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Bernie, Ben, 1891-1943
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Armstrong, Kit, 1992-
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Díaz, Félix 1868-1945
Image from Wikimedia Commons
Contemporary portrait - Public Domain
Cullen, Paul, 1803-1878
Image from Wikimedia Commons
National Park Service - Public Domain
Sharsmith, Carl, 1903-1994
Image from Wikimedia Commons
Youngjim - CC BY-SA 4.0
Weathers, Carl
Image from Wikimedia Commons
Jerome Tobias - CC BY 2.0
Itō, Toyoo, 1941-
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Hincmar, Archbishop of Reims, approximately 806-882
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Silly rabbit - CC BY 3.0
Skinner, B.F. (Burrhus Frederic), 1904-1990
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Billinghurst -
Doyle, John Andrew, 1844-1907
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McLean, John, 1785-1861
Image from Wikimedia Commons
Jacco Barth - CC BY-SA 2.0
Wyman, Bill
Image from Wikimedia Commons
Itzik18 - Public Domain
Sofer, Moses, 1762-1839
Image from Wikimedia Commons
Emilius Bærentzen and C. M. Tegner; - Public Domain
Nielsen, Augusta, 1822-1902
Image from Wikimedia Commons
unknown - Public Domain
Benton, Jay R. (Jay Rogers), 1885-1953
Image from Wikimedia Commons
NASA; cropped to show Preston Bassett only - Public Domain
Bassett, Preston R. (Preston Rogers), 1892-1992
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Crerar, Henry Duncan Graham, 1888-1965
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Vanderbilt, Cornelius, 1843-1899
Image from Wikimedia Commons
Feydeau, Georges, 1862-1921