Arthur Arent (American, 1904—1972)
Archie Gunn (American, 1863 - 1930)
William Carqueville (American, 1871-1946)
Henri Cassiers (Belgian, 1858-1944)
Theo van Hoytema (Dutch, 1863-1917)
Anonymous
Alfred Choubrac (French, 1853-1902)
Frederic Marvin (American, 1932 - 2013)
Johann Georg van Caspel (Dutch, 1870-1928)
Walter E. Spradberry (English, 1889-1969)
National Institutes of Health (American, 1887-)
National Institutes of Health (American, 1887-)
Richard Harlfinger (Austrian, 1873-1948)
Will Bradley (American, 1868 – 1962)
U.S. Information Agency (American, 1953-1999)
Eric Rohman (Swedish, 1891 - 1949)
Anonymous
Michael David Brown (American, 1940 -)
Edward Penfield (American, 1866 - 1925)
Bureau of the Census (American, 1902 - )
Eric Rohman (Swedish, 1891 - 1949)
Anonymous
Frank King (American, 1883 - 1969)
Henry Jerome Schile (American, 1829-1901)
U.S. Information Agency (American, 1953-1999)
Jean de Paleologue (Romanian, 1855 - 1942)
NASA (American, 1958 -)
Gebroeders Braakensiek (Dutch, 19th Century)
Bristow Adams (American, 1875 – 1956)
Anonymous
Anonymous
Emory (American, 20th century)
Pierre Puvis de Chavannes (French, 1824-1898)
Edward Penfield (American, 1866 - 1925)
Stevan Dohanos (American, 1907-1995)
John Nunney (English, 1897-1966)
Charles Arthur Cox (English, 1829–1901)