Paracelsus (/ˌpærəˈsɛlsəs/; 1493/4 – 24 September 1541), born Theophrastus von Hohenheim (full name Philippus Aureolus Theophrastus Bombastus von Hohenheim), was a Swiss physician, alchemist, and astrologer of the German Renaissance.
Read about Paracelsus in Wikipedia