 He was a pupil of Alexander Philalethes and contemporary of Demosthenes Philalethes, and must therefore have lived around the 1st century BC.He was a follower of the teachings of Herophilos, and studied at the celebrated Herophilean school at the village of Men-Carus, between Laodicea and Carura.He wrote a work ("On the Herophilean Sect", Latin