Image from Wikimedia Commons
user at project - Public Domain
U.S. Army - Public Domain
W. A. Croffut - Public Domain
George A. Grant - Public Domain
Unknown; scanned by 天竺鼠 - Public Domain
No photographer credited in original source. - Public Domain
Jair García - Public Domain
Hoppé - Public Domain
unknown photographer - Public Domain
Cochrane, William, 1831-1898 - Public Domain
unknown - Public Domain
Elisabeth Vigée-Lebrun (Paris 1755 – Paris 1842) - Public Domain
Public Domain
Sholomovich / Шоломович -
GuitarStrummer56 - CC BY 2.0
Image from Wikimedia Commons
user at project - Public Domain
Downing, Big Al, 1940-2005
Image from Wikimedia Commons
U.S. Army - Public Domain
Cutler, Elliott Carr, 1888-1947
Image from Wikimedia Commons
Philips, F.C. (Francis Charles), 1849-1921
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Mallet, Robert, 1810-1881
Image from Wikimedia Commons
W. A. Croffut - Public Domain
Field, David D. (David Dudley), 1781-1867
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Reinthaler, Karl, 1822-1896
Image from Wikimedia Commons
George A. Grant - Public Domain
Albright, Horace M. (Horace Marden), 1890-1987
Image from Wikimedia Commons
Unknown; scanned by 天竺鼠 - Public Domain
Hu, Shi, 1891-1962
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No photographer credited in original source. - Public Domain
Ivogün, Maria, 1891-1987
Image from Wikimedia Commons
Jair García - Public Domain
Llano, Manuel María de, 1799-1863
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Levasseur, Marie-Thérèse, 1721-1801
Image from Wikimedia Commons
Hoppé - Public Domain
Thomson, Hugh, 1860-1920
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Rehn, Frank Knox Morton, 1848-1914
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unknown photographer - Public Domain
Cowen, Benjamin Rush, 1831-1908
Image from Wikimedia Commons
Cochrane, William, 1831-1898 - Public Domain
Wilson, Daniel, Sir, 1816-1892
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unknown - Public Domain
Broglie, Louis de 1892-1987
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Demnig, Gunter, 1947-
Image from Wikimedia Commons
Elisabeth Vigée-Lebrun (Paris 1755 – Paris 1842) - Public Domain
Bristol, Frederick Hervey, Earl of, 1730-1803
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Wrangham, Francis, 1769-1842
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unknown - Public Domain
Lacombe, Albert, 1827?-1916
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Rehnquist, William H., 1924-2005
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Morgan, John Hunt, 1825-1864
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Lapworth, Charles 1842-1920
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Rudolph, Alan, 1943-....
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unknown - Public Domain
Lemnius, Levinus, 1505-1568
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Public Domain
Matthews, Nathan, 1854-1927
Image from Wikimedia Commons
Sholomovich / Шоломович -
Deĭneka, Aleksandr Aleksandrovich 1899-1969
Image from Wikimedia Commons
GuitarStrummer56 - CC BY 2.0
Sarah, Duchess of York, 1959-
Image from Wikimedia Commons
Fleury, Claude, 1640-1723
Image from Wikimedia Commons
unknown - Public Domain
Chase, George C. (George Colby), 1844-1919