The Pythagorean tradition considered the "founder" of their order to have studied with Zoroaster in Chaldea (Porphyry Life of Pythagoras 12, Alexander Polyhistor apud Clement's Stromata I.15, Diodorus of Eritrea, Aristoxenus apud Hippolitus VI32.2).
400 BC, a Greek Pythagorean named Archytas, propelled a wooden bird along wires using steam.
Hermotimus of Clazomenae (c. 6th century BCE), called by Lucian a Pythagorean, was a philosopher who first proposed, before Anaxagoras (according to Aristotle) the idea of mind being fundamental in the cause of change.
Raven contributed the chapters relating to the Italian tradition (Pythagoras of Samos, Alcmaeon of Croton, Pre-Parmenidean Pythagoreanism, Parmenides of Elea, Zeno of Elea, Melissus of Samos, Philolaus of Croton and Eurytus of Croton) and on Anaxagoras and Archelaus.
Michael Paul Bertiaux (born January 18, 1935) is an American occultist and Old Catholic Bishop, known for his book Voudon Gnostic Workbook (1988), a 615-page compendium of various occult lessons and research papers spanning the sub-fields of Voodoo, Neo-Pythagoreanism, Thelema and Gnosticism.