F. Ockerse (Dutch, 20th Century)
Eric Rohman (Swedish, 1891 - 1949)
Centers for Disease Control and Prevention (American, 1946-)
B. Lassen (American, 1904-1968)
Don Ferguson (American, 20th Century)
Augustus Jansson (Swedish, 1863 - 1931)
Chris Lebeau (Dutch, 1878 – 1945)
U.S. Information Agency (American, 1953-1999)
Anonymous
Will Bradley (American, 1868 – 1962)
George Reiter Brill (American, 1867 - 1918)
U.S. Information Agency (American, 1953-1999)
Anonymous
Juan Gris (Spanish, 1887-1927)
W. Sherwood (American, 19th/20th Century)
Henri-Gabriel Ibels (French, 1867 - 1936)
George Frederick Scotson-Clark (American, 1873 - 1973)
Charles Dana Gibson (American, 1867 - 1944)
National Institutes of Health (American, 1887-)
George Reiter Brill (American, 1867 - 1918)
Fred Hendriok (German, 1890-1942)
Anonymous