Dionysius
3. Of ALEXANDRIA, a son of Glaucus, a Greek grammarian, who flourished from the time of Nero to that of Trajan. He was secretary and librarian to the emperors in whose reign he lived, and was also employed in embassies. He was the teacher of the grammarian Parthenius, and a pupil of the philosopher Chaeremon, whom he also succeeded at Alexandria. (Athen. 11.501; Suid. s. v. Διονύσιος; Eudoc. p. 133.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.