Juliusz Kossak (Polish, 1824-1899)
Alfred Malherbe (French, 1804 – 1865)
George Hudson (New Zealander, 1867 – 1946)
John Gould (English, 1804-1881)
Paul-Andre Robert (Swiss, 1901-1977)
John Woodhouse Audubon (American, 1812-1862)
Jan Swammerdam (Dutch, 1637 – 1680)
Emil August Göldi (Swiss, 1859-1917)
Johann Heinrich Sulzer (Swiss, 1735 – 1813)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Arthur Thiele (German, 1841-1919)
Jean Gabriel Prêtre (Swiss, 1768 – 1849)
Louis Agassiz (American, 1807 – 1873)
Charles Emile Jacque (French, 1813 - 1894)
John James Audubon (American, 1785-1851)
Hermann Ottomar Herzog (American, 1831-1932)
Julien Dupré (French, 1851 - 1910)
Léo-Paul Robert (Swiss, 1851 - 1923)
Otto Staudinger (German, 1830 – 1900)
Carl Reichert (Austrian, 1836-1918)
Emil Volkers (German, 1831-1905)
Louis Agassiz (American, 1807 – 1873)
Johann Friedrich Naumann (German, 1780 – 1857)
Richard Lorenz (American, 1858 - 1915)
Henriëtte Ronner-Knip (Dutch, 1821 – 1909)
Louis-Isidore Duperrey (French, 1786 – 1865)
Carl Reichert (Austrian, 1836-1918)