The Scientific Proof of Astrology (2004) . 2)        O. Neugebauer, 1950, pp. 1-8. Schnabel (1923 and 1927) argued that the Babylonian astronomer Kidinnu discovered precession , but Neugebauer presumably put his arguments to rest. 3)        Otto Neugebauer, 1975, p. 5 4)        Toomer, G.J. , 1998, pg. 1 5)