
John Hassall (English, 1868-1948)

Max Feldbauer (German, 1869 - 1948)

Edo Mulder (Dutch, 20th Century)

Fritz Rumpf (German, 1856-1927)

Anonymous

Frederik Georg Andersen (Danish, 1871 - 1952)

Adolf Karpellus (Austrian, 1869-1919)

Centers for Disease Control and Prevention (American, 1946-)

Anonymous

Edward Penfield (American, 1866 - 1925)

Anonymous

Anonymous

Jules Chéret (French, 1836-1932)

American Indian Health Care Association (American, 20th Century)

Theo van Hoytema (Dutch, 1863-1917)

Imp. J. Minot (French, 19th/20th century)

Ernest Haskell (American, 1876-1925)

Anonymous

Laboratoires Amido (French, 20th Century)

Andreas Bloch (Norwegian, 1860 – 1917)

O'Connell (English, 20th Century)

Jack Rivolta (American, 1890-?)

National Institutes of Health (American, 1887-)

Peace Corps (American, 20th Century)