
Robert Stöcklin (Swiss, 1889–1931)

Henri-Jules-Jean Geoffroy (French, 1853-1924)

Burkhard Mangold (Swiss, 1873-1950)

Anonymous

Emil F. Ackermann (American, 1840-1900)

Laboratoires du Mictasol (French, 20th Century)

Hollerbaum & Schmidt (German, 19th/20th century)

Anonymous

Anonymous

Anonymous

Anonymous

Witold Wojtkiewicz (Polish, 1879-1909)

Johannes Linse (Dutch, 1875-1930)

Anonymous

Karl Dahl (Norwegian, 19th/20th century)

Anonymous

Johan Braakensiek (Dutch, 1858-1940)

Laboratoires Calmovarine (French, 20th Century)

Laboratoires Drouet & Plet (French, 20th Century)

Henri-Gabriel Ibels (French, 1867 - 1936)

Edward Penfield (American, 1866 - 1925)

Anonymous

Cecil Beall (American, 1892–1970)

Władysław Skoczylas (Polish, 1883-1934)

Burkhard Mangold (Swiss, 1873-1950)