John Woodhouse Audubon (American, 1812-1862)
Henry Jones (English, 1838-1921)
Sir Andrew Smith (English, 1797-1872)
Karl Volkers (German, 1868-1949)
George Hudson (New Zealander, 1867 – 1946)
Johann Till the younger (Austrian, 1827-1894)
Jan Swammerdam (Dutch, 1637 – 1680)
Daniel Giraud Elliot (American, 1835 – 1915)
Christiaan van Geelen (Dutch, 1794-1826)
Lorenz Oken (German, 1779 – 1851)
Saverio Manetti (Italian, 1723 – 1785)
Mark Catesby (English, 1683 – 1749)
Hugo Engl (Austrian, 1852-1926)
Frank Edward Clarke (New Zealander, 1849 – 1899)
John Gerrard Keulemans (Dutch, 1842-1912)
Mark Catesby (English, 1683 – 1749)
Alfred Malherbe (French, 1804 – 1865)
Frederick DuCane Godman (English, 1834 – 1919)
Joseph Wolf (German, 1820-1899)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
René de Rabié (French, 1700-1785)
John Gould (English, 1804-1881)
Jacob Perkois (Dutch, 1756-1804)
John Gerrard Keulemans (Dutch, 1842-1912)
René de Rabié (French, 1700-1785)
Ludwig Koch (Austrian, 1866–1934)
Joseph Wolf (German, 1820-1899)
Paul-Andre Robert (Swiss, 1901-1977)