Edward Penfield (American, 1866 - 1925)
Reinier Willem Petrus de Vries (Dutch, 1874 - 1952)
Charles Lucas (French, 1871 - 1930)
Maurice Louis Henri Neumont (French, 1868-1930)
Maurice Romberg (French, 1862–1943)
Anonymous
Louis Rhead (American, 1857-1926)
Edward Penfield (American, 1866 - 1925)
Antonio Arias Bernal (Mexican, 1914-1960)
Edward Penfield (American, 1866 - 1925)
National Institutes of Health (American, 1887-)
Leonetto Cappiello (Italian, 1875-1942)
Theo van Hoytema (Dutch, 1863-1917)
Daan Hoeksema (Dutch, 1879-1935)
Vojtech Preissig (Czech, 1873-1944)
Al Capp (American, 1909-1979)
Charles-Lucien Léandre (French, 1862-1934)
Anonymous
H. M. Bateman (English, 1887-1970)
Anonymous
J. Pagés (American, 19th/20th Century)
George Tscherny (American, 1924-)