The enigmatic sixteenth-century Swiss physician and natural philosopher Philippus Aureolus Theophrastus Bombastus von Hohenheim, called Paracelsus, is known for the almost superhuman energy with which he produced his innumerable writings, for his remarkable achievements in the development of science, and for his reputation as a visionary (not to mention sorcerer) and alchemist. Little is known of his biography beyond his legendary achievements, and...