
Georges Meunier (French, 1869-1942)

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

Carlos Sáenz de Tejada (Spanish, 1897-1958)

John Nunney (English, 1897-1966)

Julius Klinger (Austrian, 1876 – 1942)

Anonymous

William Emile Schumacher (American, 1870-1931)

Anonymous

Laboratoires Bailly (French, 20th Century)

Anonymous

Paul Neu (German, 1881-1940)

Anonymous

Edward Penfield (American, 1866 - 1925)

Mich (Michel Liebeaux) (French, 1881-1923)

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

W. George (English, 19th century)

Eric Rohman (Swedish, 1891 - 1949)

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

Laboratoires Pointet & Girard (French, 20th Century)

Alfredo Edel Colorno (Italian, 1856–1912)

Laboratoire d'actino-biologie (French, 20th Century)