Pat Keely (English, 1901-1970)
Percy Angelo Staynes (English, 1875 - 1953)
Alfred Choubrac (French, 1853-1902)
J H Dowd (English, 1884-1956)
Anonymous
Bolesław Surałło-Gajduczeni (Polish, 1906-1939)
Harold Pym (English, active 1930-1970s)
Henry Summer Watson (American, 1868-1933)
Alfred Choubrac (French, 1853-1902)
Henrique Alvim Corrêa (Brazilian, 1876-1910)
Reijer Stolk (Dutch, 1896 - 1945)
Edward Penfield (American, 1866 - 1925)
Lucien Marie François Métivet (French, 1863 - 1932)
Stanisław Witoszyński (Polish, 1885-?)
U.S. Information Agency (American, 1953-1999)
Anonymous
Anonymous
National Institutes of Health (American, 1887-)
Reijer Stolk (Dutch, 1896 - 1945)