Collected Alchemical writings of Philippus Aureolus Theophrastus Bombastus von Hohenheim including: Coelum philosophorum The Book Concerning The Tincture Of The Philosophers The Treasure of Treasures for Alchemists The Aurora of the Philosophers Paracelsus (born Philippus Aureolus Theophrastus Bombastus von Hohenheim, 11 November or 17 December 1493 - 24 September 1541) was a German-Swiss Renaissance physician, botanist, alchemist, astrologer, and general occultist. He founded the discipline of toxicology. He is also known as a revolutionary for insisting upon using observations of nature,...