Paracelsus,
Philippus Aureolus (born Theophrastus Bombastus von Hohenheim) 1493-1541; Swiss physician & alchemist
See Paracelsus in American Heritage Dictionary 4
(părˌə-sĕlˈsəs) Originally Theophrastus Bombastus von Hohenheim. 1493-1541.
German-Swiss alchemist and physician. He held that illness was the result of external agents attacking the body rather than imbalances within the body and advocated the use of chemicals against disease-causing agents.