Julius Klinger (Austrian, 1876 – 1942)
Charles Lucas (French, 1871 - 1930)
Aleardo Villa (Italian, 1865-1906)
Anonymous
National Library of Medicine (American, 1836-)
U.S.. Department of Health & Human Services (American, 1953-)
Donia Nachshen (English, 1903 – 1987)
Edward Penfield (American, 1866 - 1925)
Anonymous
Anonymous
U.S. Information Agency (American, 1953-1999)
Iris Beatty Johnson (American, 1897-?)
Leonetto Cappiello (Italian, 1875-1942)
National Institutes of Health (American, 1887-)
Léo Gausson (French, 1860 - 1944)
Strobridge & Co. Lith. (American, 1847 -)
National Institutes of Health (American, 1887-)
Anonymous
William Carqueville (American, 1871-1946)
Feliks Wygrzywalski (Polish, 1875-1944)
Antoni Wajwód (Polish, 1905-1944)
Michael David Brown (American, 1940 -)