Frank Berkeley Smith (American, 1869-1931)
Lanny Sommese (American, 1943-)
Henry Summer Watson (American, 1868-1933)
Giovanni Battista Carpanetto (Italian, 1863-1928)
National Institutes of Health (American, 1887-)
Chris Lebeau (Dutch, 1878 – 1945)
Walter E. Spradberry (English, 1889-1969)
Anonymous
National Library of Medicine (American, 1836-)
Katy Taylor (American, 20th century)
Joseph Sydney Hallam (Canadian, 1898-1953)
Lothar Meggendorfer (German, 1847-1925)
Anonymous
James Montgomery Flagg (American, 1877-1960)
Anonymous
Auguste Donnay (Belgian, 1862 - 1911)
Theo van Hoytema (Dutch, 1863-1917)
U.S. Information Agency (American, 1953-1999)
Jean d'Ylen (French, 1886-1938)
Henderson-Achert Litho. Co. (American, 19th/20th Century)
Anonymous
Jules Chéret (French, 1836-1932)
Anonymous