
Izrail Bograd (Russian, 1899 - 1938)

Julius Klinger (Austrian, 1876 – 1942)

Adolphe Léon Willette (French, 1857 - 1926)

U.S. Information Agency (American, 1953-1999)

National Institutes of Health (American, 1887-)

Leonard Winterowski (Polish, 1886-1927)

Edward Penfield (American, 1866 - 1925)

Gustave-Max Stevens (Belgian, 1871–1946)

Hans Rudi Erdt (German, 1883 – 1918)

Victor Prouvé (French, 1858-1943)

Adolphe Crespin (Belgian, 1859-1944)

Otto Plattner (Swiss, 1886-1951)

G. Zeiler (Russian, 19th/20th century)

U.S. Information Agency (American, 1953-1999)

Anonymous

U.S. Information Agency (American, 1953-1999)

Laboratoires du docteur Roussel (French, 20th Century)

Abel Faivre (French, 1867 - 1945)

Bureau of the Census (American, 1902 - )

Anonymous

Laboratoires de l'Oliphedrol (French, 20th Century)