Image from Wikimedia Commons
Joi Ito - CC BY 2.0
Jmabel -
prob. Ken O'Malley († 1936) - Public Domain
Anonymous -
Rogerreynolds - CC BY-SA 3.0
Yagasi - CC BY-SA 3.0
original uploader -
Madeleine Clavé - CC BY-SA 4.0
Mathew Brady Levin Corot Handy - Public Domain
unknown - Public Domain
Photo copyrighted by Harris & Ewing. Now held by U.S. Copyright Office. - Public Domain
unknown -
Image from Wikimedia Commons
Tennant, May
Image from Wikimedia Commons
Mayfield, Curtis
Image from Wikimedia Commons
Becker, August, 1828-1891
Image from Wikimedia Commons
Joi Ito - CC BY 2.0
Zittrain, Jonathan (Jonathan L.), 1969-
Image from Wikimedia Commons
Jmabel -
Chantry, Art, 1954-
Image from Wikimedia Commons
prob. Ken O'Malley († 1936) - Public Domain
Carlisle, Cliff, 1904-1983
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Anonymous -
Grażyński, Michał, 1890-1965
Image from Wikimedia Commons
Holden, Edward S. (Edward Singleton), 1846-1914
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Titchener, Edward Bradford, 1867-1927
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Sibley, Henry Hopkins, 1816-1886
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Otto, Nicolaus August, 1832-1891
Image from Wikimedia Commons
Rogerreynolds - CC BY-SA 3.0
Reynolds, Roger, 1934-....
Image from Wikimedia Commons
Drake, Frances, 1912-2000
Image from Wikimedia Commons
Christian IX, King of Denmark, 1818-1906
Image from Wikimedia Commons
Yagasi - CC BY-SA 3.0
Wistrich, Robert S., 1945-
Image from Wikimedia Commons
original uploader -
Kivelson, M. G. (Margaret Galland), 1928-
Image from Wikimedia Commons
Altieri, Ludovico 1805-1867
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Seidler, Harry, 1923-2006
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Oxford, Edward Harley, earl of, 1689-1741
Image from Wikimedia Commons
Madeleine Clavé - CC BY-SA 4.0
Clavé, Antoni, 1913-2005
Image from Wikimedia Commons
Horneman, C.F.E. (Christian Frederik Emil), 1840-1906
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
Sawyer, Philetus, 1816-1900
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Haya de la Torre, Víctor Rául 1895-1979
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Seelye, Julius H. (Julius Hawley), 1824-1895
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Wyvill, Christopher, 1740-1822
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Kendall, D. G. (David George), 1918-2007
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unknown - Public Domain
Canto, Estela
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Photo copyrighted by Harris & Ewing. Now held by U.S. Copyright Office. - Public Domain
Delano, Jane A., 1862-1919
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Eucken, A. (Arnold), 1884-1950
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unknown -
Prandtl, Ludwig, 1875-1953