
Sven Lukin (American, 1934-)

Earl Horter (American, 1881-1940)

A. Marzi (Italian, 19th Century)

Imp. Chaix (French, 1845 - 1965)

Johann Vincenz Cissarz (German, 1873-1942)

Eugeniusz Ludwik Dąbrowa-Dąbrowski (Polish, 1870-1941)

U.S.. Department of Health & Human Services (American, 1953-)

Laboratoires Drouet & Plet (French, 20th Century)

Emil Ranzenhofer (Austrian, 1864-1930)

Laboratoires G. Beytout (French, 20th Century)

Imp. F. Champenois (French, 19th/20th century)

Otto Eerelman (Dutch, 1839 - 1926)

Jan Toorop (Dutch, 1858-1928)

Imp. Camis (French, 19th/20th century)

Achille Granchi-Taylor (French, 1857-1921)

Thorolf Holmboe (Norwegian, 1866–1935)

Imp. Charles Lévy (French, 19th/20th century)

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

Will Bradley (American, 1868 – 1962)

National Institutes of Health (American, 1887-)