Arthur Bowen Davies (American, 1862 - 1928)
Nelly Spoor (Dutch, 1885 - 1950)
Vera Neville (American, 19th Century/20th Century)
Karl Wiener (Austrian, 1901-1949)
Nicolas Xavier Willemin (French, 1763-1839)
Anonymous
Edmund Siegfried Valtman (Estonian, 1914 – 2005)
Dan Sayre Groesbeck (American, 1878 - 1950)
Charles Bianchini (French, 1860-1905)
J.P Vernay (French, 20th Century)
André Gill (French, 1840 - 1885)
Giuseppe Maria Mitelli (Italian, 1634-1718)
Marcellin-Gilbert Desboutin (French, 1823 – 1902)
Walther Caspari (German, 1869 - 1913)
Fedor Grigoryevich Solntsev (Russian, 1801 – 1892)
Blendon Campbell (American, 1872 - 1969)
Jean de Paleologue (Romanian, 1855 - 1942)
Ernst Haeckel (German, 1834-1919)
Charles-Joseph Traviès de Villers (French, 1804-1859)
Édouard Guichard (French, 1815-1889)
Paul Louis de Giafferri (French, 20th Century)
Laboratoires A. Ranson (French, 20th Century)
François Levaillant (French, 1753-1824)