2. Of Iasos, wrote upon Pythagoras. (Ath. ii. p. 47a., p. 69e., 10.418, f.; D. L. 5.69.) It is not clear whether he was the same person as the Pythagorean mentioned by Eusebius (Praep). Evang. 15.2), as a contemporary and a calumniator of Aristotle.