A discussion of the life and teachings of Paracelsus, considered the outstanding medical therapist of his time and greatest mystic in the history of Western medicine. His lifelong devotion to research in the healing arts is told, and how he associated himself with all branches of folk medicine, exploring the fields of animal magnetism, alchemy, astrology, and cabalism. Included is a digest of "The Nature Spirits" by Paracelsus, not otherwise available in English. Illustrated.