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Harshberger, John W. (John William), 1869-1929 -
unknown - Public Domain
Maksymilian Fajans (1827-1890) - Public Domain
Shaun Gladwell - CC BY-SA 4.0
Delphine Migueres - CC BY-SA 3.0
Jason Palmer901 - CC BY-SA 3.0
Quad Wing - CC BY-SA 3.0
By H. Pollock, - Public Domain
Smithsonian Institution -
Steven Friederich - CC BY 2.0
Unknown - Public Domain
United States Senate Historical Office - Public Domain
Herbert Franz Mataré; Wikinaut - CC BY-SA 3.0
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Scott, Charles, 1739-1813
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Bering, Vitus Jonassen, 1681-1741
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Harshberger, John W. (John William), 1869-1929 -
McIlvaine, Charles, 1840-1909
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unknown - Public Domain
Emory, Kenneth Pike, 1897-
Image from Wikimedia Commons
Maksymilian Fajans (1827-1890) - Public Domain
Dobrzýnski, Ignacy Feliks 1807-1867
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Shaun Gladwell - CC BY-SA 4.0
Gladwell, Shaun
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unknown - Public Domain
Radcliffe, William, 1760-1841
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Yates, Mrs. (Mary Ann), 1728-1784
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Haydon, Benjamin Robert, 1786-1846
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Steuart, James, Sir, 1681-1727
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Lesseps, Ferdinand de, 1805-1894.
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Delphine Migueres - CC BY-SA 3.0
Radigue, Eliane
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unknown - Public Domain
Mivart, St. George Jackson, 1827-1900
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Hughes, Everett Strait, 1885-1957
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Reza Shah Pahlavi, Shah of Iran, 1878-1944
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Myers, Henry L. (Henry Lee), 1862-1943
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Barzel, Rainer
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Rosoman, Leonard
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Manning, Ernest C. (Ernest Charles), 1908-1996
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Hambro, Carl, 1914-
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Jason Palmer901 - CC BY-SA 3.0
Boykin, Keith
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Quad Wing - CC BY-SA 3.0
Cleveland, Jimmy, 1926-2008
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By H. Pollock, - Public Domain
McHenry, James, 1753-1816
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H'un Saen
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Smithsonian Institution -
Mead, Margaret, 1901-1978
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King, Peter T., 1944-
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Steven Friederich - CC BY 2.0
Barker, Clive, 1952-
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Unknown - Public Domain
Amendola, Giovanni, 1882-1926
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United States Senate Historical Office - Public Domain
Young, Stephen M. (Stephen Marvin), 1889-1984
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Herbert Franz Mataré; Wikinaut - CC BY-SA 3.0
Mataré, Herbert F. (Herbert Franz)