
Theo Nieuwenhuis (Dutch, 1866-1951)

Laboratoire des produits Scientia (French, 20th Century)

Anonymous

Henri Paul Royer (French, 1869-1938)

Anonymous

Anonymous

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

F. Heuser (American, 18th/19th Century)

Saul Bass (American, 1920 – 1996)

Edward Penfield (American, 1866 - 1925)

A. Hendee (American, 19th/20th Century)

Anonymous

Anonymous

Anonymous

Edward Ancourt (French, 1841-?)

National Institutes of Health (American, 1887-)

Anonymous

David Kohn (American, 19th/20th century)

Harold Pym (English, active 1930-1970s)

J. Jonchère (French, 19th/20th century)