a Greek grammarian, who lived in Rome in the time of Tiberius. He belonged to the school of Aristarchus, and was the instructor of Heracleides Ponticus. He was a strenuous opponent of the grammarian Didymus. (Suidas, s. v. Ἡρακλείδης.)
[C.P.M]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890