
Ivan A. Vladimirov (Russian, 1869-1947)

Anonymous

Laboratoire des produits Scientia (French, 20th Century)

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

Louis Bergé (French, 1927-2013)

Pal (Jean de Paleologue) (Romanian, 1855 - 1942)

Ludwig Hohlwein (German, 1874 – 1949)

Anonymous

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

National Institutes of Health (American, 1887-)

Julius Klinger (Austrian, 1876 – 1942)

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

Eugène Grasset (French, 1841-1917)

Rachael Romero (Australian, b. 1953)

Anonymous

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

Laboratoires pharmaceutiques Corbière (French, 20th Century)

Maximilian Lenz (Austrian, 1860 – 1948)

Imp. Chaix (French, 1845 - 1965)

Lith. Van Geleyn (French, 19th/20th century)

Pal (Jean de Paleologue) (Romanian, 1855 - 1942)

Willy Sluiter (Dutch, 1873-1949)

Giovanni Mataloni (Italian, 1869–1944)

Charles Rochon Hoover (American, 19th/20th Century)