
Theo van Hoytema (Dutch, 1863-1917)

Henryk Szczygliński (Polish, 1881 - 1944)

Laboratoires Deglaude (French, 20th Century)

National Institutes of Health (American, 1887-)

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

John W. Sheeres (American, active 1920s-1940s)

Anonymous

Laboratoires Zizine (French, 20th Century)

Laboratoires du docteur Roussel (French, 20th Century)

Anonymous

G. Ricordi & C. (Italian, 19th/20th century)

Reginald Mount (English, 1906–1979)

Laboratoires Camuset (French, 20th Century)

Ernest Coffin (English, active 1920s-1930s)

Antonin-Marie Chatinière (French, 1828-1916)

Alphonse Noël (French, 1888–1933)

Knut Hansen (Danish, 1876-1926)

Henry Brevoort Eddy (American, 1872-1935)

Carel Adolph Lion Cachet (Dutch, 1864 – 1945)

Krebs Lith. Co (American, 19th/20th Century)