
Johan Thorn Prikker (Dutch, 1868 - 1932)

Jules-Alexandre Grün (French, 1868-1934)

Eric Rohman (Swedish, 1891 - 1949)

Henry Summer Watson (American, 1868-1933)

Anonymous

Anonymous

Lanny Sommese (American, 1943-)

Niels Skovgaard (Danish, 1858 – 1938)

Elisha Brown Bird (American, 1867 - 1943)

Hans Rudi Erdt (German, 1883 – 1918)

Anonymous

Theo van Hoytema (Dutch, 1863-1917)

Joseph Gould (American, 1880 - 1935)

Otto Barth (Austrian, 1876-1916)

Anonymous

Laboratoires du docteur P. Astier (French, 20th Century)

Lith. F. Appel (French, 19th/20th century)

Alex McLaren (Canadian, 20th Century)

Claude Fayette Bragdon (American, 1866 - 1946)

Laboratoires gastro-enrérologiques Odinot (French, 20th Century)

Hans Rudi Erdt (German, 1883 – 1918)