Diodorus of Alexandria was a pupil of the philosopher in what tradition?
Diodorus of Alexandria Diodorus of Alexandria or Diodorus Alexandrinus was a gnomonicist, astronomer and a pupil of Posidonius.
Scholarch A scholarch (Ancient Greek: σχολάρχης , "scholarchēs") was the head of a school in ancient Greece. The term is especially remembered for its use to mean the heads of schools of philosophy, such as the Platonic Academy in ancient Athens. Its first scholarch was Plato himself, the founder and proprietor. He held the position for forty years, appointing his nephew Speussipus as his successor; later scholarchs were elected by members of the Academy.