
Henri Thiriet (French, 1873-1946)

Stearns-Hollinshead Co. (American, 19th/20th Century)

Emil Rudolf Weiss (German, 1875-1942)

Anonymous

Anonymous

Anonymous

Roy Hull Still (American, 1888-1976)

David Allen & Sons (Irish, 19th/20th century)

Anonymous

Anonymous

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

Anonymous

Laboratoire français de chimiothérapie (French, 20th Century)

Laboratoire français de chimiothérapie (French, 20th Century)

Laboratoires du docteur Roussel (French, 20th Century)

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

Anonymous

Anonymous

John Gilroy (English, 1898 – 1985)

John Gilroy (English, 1898 – 1985)

Edward Penfield (American, 1866 - 1925)

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