Aristotle

Aristotle, ancient Greek philosopher, student of Plato and teacher of Alexander the Great. He and his school divided many Western disciplines in later generations, including physics, metaphysics, poetry (including drama), music, biology, economics, zoology, logic, politics, government, and ethics. Together with Plato and Socrates (Plato’s teacher), he is known as the founder of Western philosophy. Aristotle's writings were the first extensive system of Western philosophy, encompassing ethics, aesthetics, logic and science, politics and metaphysics.