
Walther Koch (German, 1875–1915)

Louis Rhead (American, 1857-1926)

Laboratoires de la Vitadiase (French, 20th Century)

Anonymous

Cândido de Faria (Brazilian, 1849-1911)

Ethel Reed (American, 1874 - 1900)

Theo Nieuwenhuis (Dutch, 1866-1951)

Anonymous

Anonymous

Anonymous

Laboratoire Lancosme (French, 20th Century)

Anonymous

Anonymous

Anonymous

Gian Emilio Malerba (Italian, 1880-1926)

Laboratoire des produits Scientia (French, 20th Century)

Peace Corps (American, 20th Century)

Jules-Alexandre Grün (French, 1868-1934)

Henrique Alvim Corrêa (Brazilian, 1876-1910)

Vojtech Preissig (Czech, 1873-1944)

Imp. Proust (French, 19th/20th century)

Michael Mabry (American, 1955-)