Louis Agassiz (American, 1807 – 1873)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Lorenz Oken (German, 1779 – 1851)
Alfred Edmund Brehm (German, 1829-1884)
Alexander Koester (German, 1864-1932)
Emil August Göldi (Swiss, 1859-1917)
Philipp Franz Balthasar von Siebold (German, 1796 – 1866)
Jacques Barraband (French, 1767 – 1809)
Henriëtte Ronner-Knip (Dutch, 1821 – 1909)
Alexander Koester (German, 1864-1932)
Alexander Koester (German, 1864-1932)
Daniel Giraud Elliot (American, 1835 – 1915)
Bruno Dürigen (German, 1853–1930)
Saverio Manetti (Italian, 1723 – 1785)
Charles Verlat (Belgian, 1824-1890)
Johann Caspar Fuessli (Swiss , 1743-1786)
Frank Edward Clarke (New Zealander, 1849 – 1899)
Joris Hoefnagel (Flemish, 1542-1600)
John Gould (English, 1804-1881)
Mark Catesby (English, 1683 – 1749)
Vincent van Gogh (Dutch, 1853-1890)
Marcus Elieser Bloch (German, 1723–1799)
Pierre Jacques Smit (Dutch, 1863-1960)
John Gould (English, 1804-1881)
Saverio Manetti (Italian, 1723 – 1785)
Henry Walker Herrick (American, 1824-1906)
Emil Volkers (German, 1831-1905)