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James Lafayette (died 1923). Information provided by Valerie McAtear from the Royal Entomological Society: "We do have a copy in our photograph collection and the only information I can provide is that printed on the back is Copyright photograph by Lafayette Ltd" - Public Domain
Julian Vannerson (1827-1875) - Public Domain
John Mathew Smith & www.celebrity-photos.com - CC BY-SA 2.0
user at project - Public Domain
AllyUnion -
Clara Lucas Balfour - Public Domain
Edmond Lebeaud - Public Domain
unknown -
Karinsa1 - CC BY-SA 3.0
unknown - Public Domain
unknown - CC BY 4.0
Raziwanek, Vienna - Public Domain
MacRusgail -
Public Domain
Anonymous - Public Domain
Francis Cotes (1726-1770) - Public Domain
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James Lafayette (died 1923). Information provided by Valerie McAtear from the Royal Entomological Society: "We do have a copy in our photograph collection and the only information I can provide is that printed on the back is Copyright photograph by Lafayette Ltd" - Public Domain
Poulton, Edward Bagnall, Sir, 1856-1943
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Julian Vannerson (1827-1875) - Public Domain
Gilman, Charles Jervis, 1824-1901
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John Mathew Smith & www.celebrity-photos.com - CC BY-SA 2.0
Walters, Barbara, 1929-2022
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Boucicault, Dion, 1859-1929
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user at project - Public Domain
Jones, Steve, 1955-
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Herkner, Heinrich, 1863-1932
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AllyUnion -
Benford, Gregory, 1941-....
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Møller, Katti Anker, 1868-1945
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Clara Lucas Balfour - Public Domain
Balfour, Clara Lucas, 1808-1878
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Brownlow, William Gannaway, 1805-1877
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Edmond Lebeaud - Public Domain
Vértiz y Salcedo, Juan José de 1719-1799
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Degrand, P. P. F. (Peter Paul Francis), 1787-1855
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unknown -
Gare, Nene
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Karinsa1 - CC BY-SA 3.0
Ravits, Yehudit
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Mallery, Garrick, 1831-1894
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Burrill, Thomas J. (Thomas Jonathan), 1839-1916
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Wyszyński, Stefan, 1901-1981
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unknown - Public Domain
Recklinghausen, Friedrich von, 1833-1910
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unknown - CC BY 4.0
Spalding, Baird T. (Baird Thomas), 1857-1953
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Raziwanek, Vienna - Public Domain
Arditi, Luigi, 1822-1903
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Comenius, Johann Amós, 1592-1670
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MacRusgail -
MacGill-Eain, Somhairle, 1911-1996
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Public Domain
Petroski, Henry
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Anonymous - Public Domain
Evans, W. W. (Walton White), 1817-1886
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Brasch, Thomas, 1945-2001
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Francis Cotes (1726-1770) - Public Domain
Pigot, Robert
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Belushi, James, 1954-....
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Blake, Gordon A. (Gordon Aylesworth), 1910-1997
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Downer, Alexander, 1910-1981
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Meyer, Danny