
Léon Mayet (French, 1858 - ?)

National Institutes of Health (American, 1887-)

Julia Greene (American, 19th/20th Centry)

Otto Fischer (German, 1870-1947)

National Institutes of Health (American, 1887-)

Anonymous

Laboratoire Génévrier (French, 20th Century)

National Institutes of Health (American, 1887-)

National Institutes of Health (American, 1887-)

Stanisław Kamocki (Polish, 1875-1944)

Rudolf Dürrwang (Swiss, 1883–1936)

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

Anonymous

Bristow Adams (American, 1875 – 1956)

Anonymous

Henri Paul Royer (French, 1869-1938)

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

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

Laboratoires Jacques Logeais (French, 20th Century)

Anonymous

Kazimierz Sichulski (Polish, 1879-1942)

Anonymous