Logic, ethics, biology
Ancient Greek philosopher (384-322 BCE), student of Plato, tutor of Alexander the Great.
Where Plato dealt in heavenly Forms, Aristotle wanted to catalog and explain everything in the actual world — and basically did. Founded formal logic, wrote the first works on physics, biology, ethics, politics. Tutored teenage Alexander the Great; when medieval scholars rediscovered him via Arabic translations, they called him simply 'The Philosopher.'
Aristotle is one of the historical characters you can play as in Rubicon, a trivia game where you answer in your own words and an AI judge reads what you meant. Aristotle is filed under Language & Communication, and is strongest at Language & Communication, Natural Sciences and Nature & Animals.