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Photo by G. Nelidoff, Chicago, for CBS/Columbia Broadcasting Company. - Public Domain
Library of Congress - Public Domain
w:Minesweeper - Public Domain
original uploader - CC BY-SA 2.5
Étienne Carjat - Public Domain
Engraving by James Watson, after unknown artist[http://www.npg.org.uk/collections/search/portrait/mw200120/Sir-John-Trenchard?LinkID=mp56674&role=sit&rNo=0] - Public Domain
unknown - Public Domain
Regenerate - CC BY-SA 3.0
Henry Joseph Whitlock - Public Domain
Contemporary portrait - Public Domain
ITA-International Talent Associates - Public Domain
Bain News Service - Public Domain
Glyn Philpot (1884-1937) - Public Domain
Joseph Kriehuber Foto::de:Peter Geymayer - Public Domain
Ilya Haykinson - CC BY-SA 3.0
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Photo by G. Nelidoff, Chicago, for CBS/Columbia Broadcasting Company. - Public Domain
Studebaker, Hugh, 1900-1978
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La Chaise, François d'Aix de, 1624-1709
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Muller, Alfredo, 1869-1940
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Seton, Ernest Thompson, 1860-1946
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Library of Congress - Public Domain
Hiatt, Fred
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w:Minesweeper - Public Domain
Martin, William McChesney
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original uploader - CC BY-SA 2.5
Veneziano, G. (Gabriele)
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Étienne Carjat - Public Domain
Bazin, François 1816-1878
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Stephenson, Henry, 1871-1956
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Downs, Cathy, 1926-1976
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Engraving by James Watson, after unknown artist[http://www.npg.org.uk/collections/search/portrait/mw200120/Sir-John-Trenchard?LinkID=mp56674&role=sit&rNo=0] - Public Domain
Trenchard, John, Sir, 1640-1695
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unknown - Public Domain
Cutler, Alpheus, 1784-1864
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Regenerate - CC BY-SA 3.0
Gomez, Mariano, 1799-1872
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Moran, Thomas, 1837-1926
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Petrolini, Ettore, 1884-1936
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Porter, Robert Ker, Sir, 1777-1842
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Pugin, Augustus Welby Northmore, 1812-1852
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Henry Joseph Whitlock - Public Domain
Richardson, Benjamin Ward, 1828-1896
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Viera y Clavijo, José de, 1731-1813
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unknown - Public Domain
Badin, Stephen T. (Stephen Theodore), 1768-1853
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unknown - Public Domain
Saxton, Joseph, 1799-1873
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Cockrell, Thad
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Contemporary portrait - Public Domain
De la Warr, Thomas West, Baron, 1577-1618
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ITA-International Talent Associates - Public Domain
Travers, Mary, 1936-2009
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unknown - Public Domain
Goodfellow, George Emory, 1855-1910
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Carus, Carl Gustav, 1789-1869
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Bain News Service - Public Domain
Marquard, Rube, 1889-1980
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Glyn Philpot (1884-1937) - Public Domain
Whitley, J. H.
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Joseph Kriehuber Foto::de:Peter Geymayer - Public Domain
Rubini, Gio. Battista (Giovanni Battista), 1794-1854
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Ilya Haykinson - CC BY-SA 3.0
Seymour, Jane, 1951-....