Διονύσιος

Of Alexandria; son of Glaucus. Grammarian. From Nero onwards he was a companion of the emperors until Trajan. He was director of the libraries, and was secretary with responsibility for correspondence, embassies and rescripts. He was the teacher of the grammarian Parthenius,¹ and a pupil of the philosopher Chaeremon,² whose successor he was in Alexandria.