
Ján Thain (Hungarian , 1885-1953)

Paul Balluriau (French, 1860–1917)

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

Anonymous

Strobridge & Co. Lith. (American, 1847 -)

Anonymous

Otto Greiner (German, 1869-1916)

Adolf Karpellus (Austrian, 1869-1919)

National Institutes of Health (American, 1887-)

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

Laboratoires Ciba (French, 20th Century)

Anonymous

Johan Braakensiek (Dutch, 1858-1940)

Anonymous

Laboratoires G. Beytout (French, 20th Century)

Anonymous

Charles Gesmar (French, 1900-1928)

Laboratoire de la Phagolysine (French, 20th Century)

William Martin Johnson (American, 1862-?)

Anonymous

Anonymous

Alfred Choubrac (French, 1853-1902)

Theo van Hoytema (Dutch, 1863-1917)