
Adolf Friedländer Lith. (German, 19th/20th century)

Anonymous

National Institutes of Health (American, 1887-)

Ricardo Carpani (Argentine, 1930-1997)

Charles Ruttan (American, 1884-1939)

Robert Wildhack (American, 1881 - 1940)

Anonymous

Laboratoires Charvoz (French, 20th Century)

Laboratoires du docteur Roussel (French, 20th Century)

Theo Nieuwenhuis (Dutch, 1866-1951)

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

Anonymous

Karl Wiener (Austrian, 1901-1949)

Charles Arthur Cox (English, 1829–1901)

Eugen Kupper (Swiss, 19th/20th Century)

Laboratoires Lamo (French, 20th Century)

Laboratoire du docteur Albert Vermersch (French, 20th Century)

Antonio Arias Bernal (Mexican, 1914-1960)

John Nunney (English, 1897-1966)