What's the difference between i.e. and e.g.?
Greek philosopher who became head, or scholarch, of the Greek Academy after the death in 347 BC of Plato, who had founded it in 387. A nephew and disciple of Plato, Speusippus accompanied him on his journey to Sicily in 361. He was also a partisan in his uncle's relations with political rulers, including Dionysius II of Syracuse