Johann Friedrich Naumann (German, 1780 – 1857)
Coenraad Jacob Temminck (Dutch, 1778-1858)
René-Primevère Lesson (French, 1794 – 1849)
Saverio Manetti (Italian, 1723 – 1785)
John Frederick Herring Snr. (English, 1795 – 1865)
Alexander Francis Lydon (English, 1836-1917)
Ludwig Hohlwein (German, 1874 – 1949)
John Gould (English, 1804-1881)
John Woodhouse Audubon (American, 1812-1862)
John Gould (English, 1804-1881)
Conrad Gessner (Swiss, 1764 - 1826)
Marcus Elieser Bloch (German, 1723–1799)
Henry Kirke Brown (American, 1814-1886)
Coenraad Jacob Temminck (Dutch, 1778-1858)
Frederick DuCane Godman (English, 1834 – 1919)
James Smetham (English, 1821 – 1889)
Charles Hamilton Smith (English, 1776-1859)
Marcus Elieser Bloch (German, 1723–1799)
Robert Jacob Gordon (Dutch, 1743 – 1795)
Julius Adam the elder (German, 1826–1874)
James Duncan (Canadian, 1806-1881)
Johann Friedrich Naumann (German, 1780 – 1857)
Friedrich Carl von Scheidlin (Austrian, 1822-1913)
George Hudson (New Zealander, 1867 – 1946)
Louis Agassiz (American, 1807 – 1873)
Theo van Hoytema (Dutch, 1863-1917)
Anders Askevold (Norwegian, 1834 - 1900)