Udo Keppler (American, 1872 – 1956)
Samuel Ehrhart (American, 1862-1937)
Albert Ilg (Austrian, 1847-1896)
Ernst Haeckel (German, 1834-1919)
Robert Hooke (English, 1635 – 1703)
Flavius Vegetius Renatus (Italian, 4th century)
Jean-Charles Contel (French, 1895-1928)
Charles Jay Taylor (American, 1855-1929)
John Elsas (German, 1851–1935)
James Otto Lewis (American, 1799-1858)
Anonymous
Willem Adrianus Grondhout (Dutch, 1888 - 1931)
Henri Rivière (French, 1864 – 1951)
Hans Tegner (Danish, 1853 – 1932)
Lorenz Frølich (Danish, 1820-1908)
Odilon Redon (French, 1840-1916)
Anonymous
Frederick Landseer Maur Griggs (English, 1876 - 1938)
Frederick Landseer Maur Griggs (English, 1876 - 1938)
Charles Bianchini (French, 1860-1905)
Carl Becker (German, 19th Century)
Charles Dana Gibson (American, 1867 - 1944)
Anonymous