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

G. Gonnot (French, 20th Century)

Anonymous

Harry Everett Townsend (American, 1879-1941)

Will Bradley (American, 1868 – 1962)

J.V. McFall (American, 19th/20th Century)

NASA (American, 1958 -)

Kazimierz Sichulski (Polish, 1879-1942)

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

Forbes Co. (American, 19th/20th Century)

Harold Pym (English, active 1930-1970s)

Edouard Vallet (Swiss, 1876-1929)

Anonymous

Anton Seder (Austrian, 1850-1916)

Lanny Sommese (American, 1943-)

Imp. P. Vercasson & Cie (French, 19th/20th century)

Victor Prouvé (French, 1858-1943)

Anonymous

National Institutes of Health (American, 1887-)

Jacques Drésa (French, 1869-1929)

Edmund Edel (German, 1918–1939)