"Syrianus"@en . "Syrianus (Ancient Greek: \u03A3\u03C5\u03C1\u03B9\u03B1\u03BD\u03CC\u03C2, Syrianos; died c. 437) was a Greek Neoplatonist philosopher, and head of Plato's Academy in Athens, succeeding his teacher Plutarch of Athens in 431/432. He is important as the teacher of Proclus, and, like Plutarch and Proclus, as a commentator on Plato and Aristotle. His best-known extant work is a commentary on the Metaphysics of Aristotle. He is said to have written also on the De Caelo and the De Interpretatione of Aristotle and on Plato's Timaeus."@en . "Greek philosopher" .