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Eric Koch (ANEFO) - CC BY 4.0
US gov - Public Domain
U.S. Army - Public Domain
unknown - Public Domain
Contemporary portrait - Public Domain
Ernest Rude - CC BY-SA 4.0
Erik Charlton - CC BY 2.0
GFHund - CC BY 3.0
*:File:James-rizzi-2008.jpg - CC BY-SA 3.0
US Government Printing Office (Washington, DC), publisher. - Public Domain
Stare of Florida / Kenneth R. Fox (artist) - Public Domain
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Eric Koch (ANEFO) - CC BY 4.0
Van de Graaff, Robert Jemison, 1901-1967
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Kussmaul, Adolf, 1822-1902
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US gov - Public Domain
Pryor, David, 1934-
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Unwin, William Cawthorne, 1838-1933
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U.S. Army - Public Domain
Cook, Gilbert R. (Gilbert Richard), 1889-1963
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Pannenberg, Wolfhart, 1928-....
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Hess, Victor Francis, 1883-1964
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Michelson, Albert A. (Albert Abraham), 1852-1931
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unknown - Public Domain
Márquez, Leonardo, 1820-
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Trapp family
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Contemporary portrait - Public Domain
Venn, H. (Henry), 1725-1797
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Ernest Rude - CC BY-SA 4.0
Mohr, Otto Lous
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Cesare, Oscar Edward, 1885-1948
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Bedford, Francis Russell, Duke of, 1788-1861
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unknown - Public Domain
Pottier, Eugéne, 1816-1887
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Klaproth, M. H. (Martin Heinrich), 1743-1817
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Erik Charlton - CC BY 2.0
Chihuly, Dale, 1941-
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GFHund - CC BY 3.0
Peierls Rudolf E. (Rudolf Ernst), 1907-1995
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Cole, Paula, 1968-
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*:File:James-rizzi-2008.jpg - CC BY-SA 3.0
Rizzi, James
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Huntly, Charles Gordon, Marquis of, 1847-1937
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Chatham, John Pitt, Earl of, 1756-1835
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unknown - Public Domain
Lewis, Joseph Horace, 1824-1904
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Gower, Erasmus, Sir, 1742-1814
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Ellerton, John, 1826-1893
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Sokol, Koloman, 1902-2003
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Meurice, Paul, 1820-1905
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unknown - Public Domain
Parker, Herschel Clifford, 1867-1931
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US Government Printing Office (Washington, DC), publisher. - Public Domain
Howell, Charles R. (Charles Robert), 1904-1973
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Stare of Florida / Kenneth R. Fox (artist) - Public Domain
Martinez, Robert, 1934-