Weisstein  |  Copernicium (2010) Paracelsus, physician   (1493-1541) Philippus Aureolus Theophrastus Bombastus von Hohenheim   chose the pseudonym  Paracelsus   in honor of the encyclopedist Celsus .  He is the first systematic botanist.  He named  zinc   (1526)  and revolutonized medicine (without freeing it from superstition) by using mineral chemicals. The