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Antje von Graevenitz - CC BY-SA 3.0
unknown - Public Domain
Tom Marcello - CC BY-SA 2.0
Arnold Carr, public relations, Los Angeles - Public Domain
Engraving - Public Domain
U.S. Navy - Public Domain
RMJJRM -
Jean-Baptiste Perronneau - Public Domain
Chuck369 - CC BY-SA 3.0
Uliano Lucas - CC BY-SA 4.0
Louis Saul Langfier (1859–1916) - Public Domain
Mym-uk - CC BY-SA 3.0
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Wolf, Konrad, 1925-1982
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Antje von Graevenitz - CC BY-SA 3.0
Graevenitz, Gerhard von 1934-1983
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Pringle, Aileen, 1895-1989
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Marshall, George C. (George Catlett), 1880-1959
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unknown - Public Domain
Morlot, François-Nicolas-Madeleine, 1795-1862
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Tom Marcello - CC BY-SA 2.0
Vick, Harold, 1936-1987
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Serrano, Miguel, 1917-....
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Arnold Carr, public relations, Los Angeles - Public Domain
Martin, Ross, 1920-1981
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Smith, Thomas, 1513-1577
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David, Jacques-Louis, 1748-1825
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Engraving - Public Domain
Villette, Charles-Michel, marquis de, 1736-1793
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U.S. Navy - Public Domain
Wiley, Henry A. (Henry Ariosto), 1867-1943
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Leon, Francis, 1844-
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Zelter, Carl Friedrich
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RMJJRM -
Le Forestier, Maxime
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Planck, Max, 1858-1947
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Jean-Baptiste Perronneau - Public Domain
Bouguer, M. (Pierre), 1698-1758
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Burden, Henry, 1791-1871
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Ferraris, Galileo, 1847-1897
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Chuck369 - CC BY-SA 3.0
O'Neill, Dick, 1928-1998
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Uliano Lucas - CC BY-SA 4.0
Schifano, Mario
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Edison, Charles A., 1890-1969
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Locock, Charles, Sir, 1799-1875
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Schjellerup, H. C. F. C., 1827-1887
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Louis Saul Langfier (1859–1916) - Public Domain
Lloyd, Marie, 1870-1922
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Free, Arthur Monroe, 1879-1953
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Collins, Gary, 1938-2012
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Mym-uk - CC BY-SA 3.0
Merritt, Stephin
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Cooper, Astley, Sir, 1768-1841
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Pywell, Wm. R. (William Redish), 1843-1886