Julius Klinger (Austrian, 1876 – 1942)
Anonymous
Eric Rohman (Swedish, 1891 - 1949)
National Institutes of Health (American, 1887-)
NASA (American, 1958 -)
Wojciech Kossak (Polish, 1857-1942)
William Carqueville (American, 1871-1946)
Frederick Richardson (American, 1862-1937)
Charles Dana Gibson (American, 1867 - 1944)
Henrique Alvim Corrêa (Brazilian, 1876-1910)
Peace Corps (American, 20th Century)
Rachael Romero (Australian, b. 1953)
W. Cranville-Smith (American, 19th Century)
Anonymous
Mariusz Zaruski (Polish, 1867-1941)
Bureau of the Census (American, 1902 - )
Anonymous
Andrea Kantrowitz (American, 20th century)
Wojciech Weiss (Polish, 1875-1950)
Jules Chéret (French, 1836-1932)
Edward Penfield (American, 1866 - 1925)
Anonymous