Karl Volkers (German, 1868-1949)
John Frederick Herring Snr. (English, 1795 – 1865)
Rodolpho von Ihering (Brazilian, 1883-1939)
Theo van Hoytema (Dutch, 1863-1917)
Marcus Elieser Bloch (German, 1723–1799)
John Gould (English, 1804-1881)
Theo van Hoytema (Dutch, 1863-1917)
Frederick DuCane Godman (English, 1834 – 1919)
John Woodhouse Audubon (American, 1812-1862)
Józef Brodowski (Polish, 1772-1853)
Saverio Manetti (Italian, 1723 – 1785)
Josef Schmitzberger (German, 1851–after 1930)
John Gould (English, 1804-1881)
Wilhelm Kuhnert (German, 1865-1926)
Joseph Wolf (German, 1820-1899)
Louis Agassiz (American, 1807 – 1873)
Louis Agassiz (American, 1807 – 1873)
Louis-Isidore Duperrey (French, 1786 – 1865)
Joseph Bartholomew Kidd (Scottish, 1808 - 1889)
William Holman Hunt (English, 1827-1910)
Emil Adam (German, 1843-1924)
Sigmund L'Allemand (Austrian, 1840–1910)
Louis-Isidore Duperrey (French, 1786 – 1865)
Carl Reichert (Austrian, 1836-1918)
George Hudson (New Zealander, 1867 – 1946)
John Gould (English, 1804-1881)
John Gould (English, 1804-1881)