G. J. Toomer and Alexander Jones
Eric William Marsden
Athenaeus (2) Mechanicus, author of an extant work on siege-engines (Περὶ μηχανημάτων; see
Ludwig Edelstein and V. Nutton
G. J. Toomer
Astronomer (fl. late 4th cent.
Baccheius Geron wrote an informative Introduction to the Art of Music in question-and-answer form, giving pithy harmonic and rhythmic analyses, mainly Aristoxenian (see
Heinrich von Staden
Jared T. Benton
Balbus wrote a surveying treatise on measurements and geometrical shapes. He undertook military surveying during the Dacian campaigns of an emperor, either *Domitian or *Trajan. See
David John Furley and J. T. Vallance
RE, from Mendes in Egypt, contemporary of *Callimachus (3) (3rd cent.