
Julius Klinger (Austrian, 1876 – 1942)

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

Edmund Edel (German, 1918–1939)

Laboratoires Bailly (French, 20th Century)

Anonymous

National Institutes of Health (American, 1887-)

Theo van Hoytema (Dutch, 1863-1917)

Anonymous

Richard Nicolaüs Roland Holst (Dutch, 1868 - 1938)

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

Anonymous

Kazimierz Sichulski (Polish, 1879-1942)

Julius Gipkens (German, 1883-1968)

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

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

H. Edward Oliver (American, 20th Century)

Walery Eljasz-Radzikowski (Polish, 1841-1905)

Anonymous

Cleo Sara (American, 20th Century)

Antoine Barbizet (French, 19th Century)

Henrique Alvim Corrêa (Brazilian, 1876-1910)

Anonymous