Platonic Academy
He re-introduced Plato's ideas to Western Europe during the 1438–1439 Council of Florence, a failed attempt to reconcile the East–West schism. There, Plethon met and influenced Cosimo de' Medici to found a new Platonic Academy, which, under Marsilio Ficino, would proceed to translate into Latin all of Plato's works, the "Enneads" of Plotinus, and various other Neoplatonist works.