'X' was born on the Chalcidic peninsula of Macedonia, in northern Greece. 'X' was an ancient Greek philosopher and scientist and one of the greatest intellectual figures of Western history. His intellectual range was massive, covering most of the sciences and many of the arts, including biology, botany, chemistry, ethics, history, logic, metaphysics, rhetoric, philosophy of mind, philosophy of science, physics, poetics, political theory, psychology, and zoology. Identify 'X'.