Metaphysics is a branch of philosophy that deals with the nature of consciousness and existence. In popular usage the word refers loosely to a number of non-traditional belief systems and spiritual practices.
This project includes key metaphysical writers and teachers of the medieval world.
- Albertus Magnus (c1193-1280), German astrologer & alchemist
- Sir Thomas Ashton (c1397-1460), English alchemist
- Roger Bacon (c1214-1294), English astrologer & alchemist
- Johann IV, Margrave von Brandenburg-Ansbach (c1408-1464), German alchemist
- Hugh of Evesham (?-1287), English alchemist
- Nicolas Flamel (early 1330s–1418), French alchemist
- Johann Faust (c1480-c1540), German astrologer & alchemist
- Vseslav "the Sorcerer" of Kiev (c1029-1101), Russian sorcerer & werewolf
- Ramon Llull (1232-1315), Majorcan alchemist
- Gilles de Rais (1404-1440), French alchemist & magician
- Sir Michael Scott of Balwearie (Latin: Michael Scotus) (1175-c1232), Scottish astrologer & alchemist