
U.S. Information Agency (American, 1953-1999)

Robert Stöcklin (Swiss, 1889–1931)

Alfred Concanen (English, 1835 – 1886)

Laboratoires A. Duteil (French, 20th Century)

Ludwig Hohlwein (German, 1874 – 1949)

Alphonse Mucha (Czech, 1860-1939)

J. Hirt (American, 20th Century)

Laboratoires du soufre organique (French, 20th Century)

Anonymous

Alexis-Auguste Delahogue (French, 1867-1936)

Alphonse Bigot (French, 1828-1872)

Arthur Burdett Frost (American, 1851 - 1928)

Rachael Romero (Australian, b. 1953)

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

Anonymous

National Institutes of Health (American, 1887-)

Laboratoires Amido (French, 20th Century)

Ottavio Rodella Tavio (Italian, 1864-1910)

Paul Scheurich (German, 1883-1945)

Imp. Chaix (French, 1845 - 1965)