Paracelsus was the pseudonym of Dr. Theophrastus Bombastus Hohenheim, the Swiss chemist, physician and alchemist who is often credited with being one of the fathers of modern medicine. This classic alchemical work was translated into English by A. E. Waite and includes: "The Coelum Philosophorum", "The Book Concerning The Tincture Of The Philosophers", "The Treasure of Treasures for Alchemists", "The Aurora of the Philosophers" and "An Alchemical Catechism" in this one volume.