Louis Agassiz (American, 1807 – 1873)
Josef Wawra (Austrian, 1893-1935)
Alfred Malherbe (French, 1804 – 1865)
Otto Staudinger (German, 1830 – 1900)
Anselmus Boëtius de Boodt (Flemish, 1550 - 1632)
Archibald Thorburn (Scottish, 1860-1935)
John James Audubon (American, 1785-1851)
George Hudson (New Zealander, 1867 – 1946)
Marcus Elieser Bloch (German, 1723–1799)
Archibald Thorburn (Scottish, 1860-1935)
John Gould (English, 1804-1881)
Alexander Francis Lydon (English, 1836-1917)
Joseph Wolf (German, 1820-1899)
Joseph Wolf (German, 1820-1899)
Anonymous
Archibald Thorburn (Scottish, 1860-1935)
Akseli Gallen-Kallela (Finnish, 1865 - 1931)
Johann Friedrich Naumann (German, 1780 – 1857)
Louis Agassiz (American, 1807 – 1873)
Gustav Prütz (German, 19th Century)
Franz Xaver von Pausinger (Austrian, 1839 – 1915)
John James Audubon (American, 1785-1851)