Rudolf Kalvach (Austrian, 1883–1932)
Jean de Paleologue (Romanian, 1855 - 1942)
Anonymous
Anonymous
Edward Vincent Brewer (American, 1883-1971)
NASA (American, 1958 -)
Stanisław Fabijański (Polish, 1865-1947)
U.S. Information Agency (American, 1953-1999)
Peace Corps (American, 20th Century)
Anonymous
Kurt Libesny (Austrian, 1892-1933)
Anonymous
Martha Sawyers (American, 1902-1988)
Showell (English, 20th Century)
Elisha Brown Bird (American, 1867 - 1943)
Leonetto Cappiello (Italian, 1875-1942)
National Institutes of Health (American, 1887-)
Frank Swick (American, 19th/20th Century)
Theo van Hoytema (Dutch, 1863-1917)
Léon-Victor Solon (French, 1872-1957)
Bogdan Nowakowski (Polish, 1887-1945)
Theo van Hoytema (Dutch, 1863-1917)
Anonymous
David Langdon (English, 1914-2011)
Anonymous