National Institutes of Health (American, 1887-)
Anonymous
Anonymous
Clive Uptton (English, 1911-2006)
Benton Henderson Clark (American, 1895-1964)
Theo van Hoytema (Dutch, 1863-1917)
Anonymous
Julius Bien (American, 1826-1909)
Anonymous
Frederick Henri Kay Henrion (German, 1914–1990)
Arthur Burdett Frost (American, 1851 - 1928)
National Institutes of Health (American, 1887-)
Centers for Disease Control and Prevention (American, 1946-)
Etienne Moreau-Nélaton (French, 1859-1927)
SpaceX (American, 20th/21st Century)
U.S. Information Agency (American, 1953-1999)
Anonymous
Anonymous
Adolfo Hohenstein (German, 1854–1928)
Jan Rembowski (Polish, 1879-1923)
Anonymous
Eric Rohman (Swedish, 1891 - 1949)
Grif Teller (American, 1899-1993)
Mitsutani Kunishiro (Japanese, 1874-1936)
Anonymous
National Institutes of Health (American, 1887-)