Medieval scholars called him 'the Second Teacher' — right after Aristotle

Al-Farabi, a 10th-century philosopher working in Baghdad, wrote commentaries that reconciled Aristotelian logic with Islamic theology and Platonic political thought, work so foundational that later scholars ranked him second only to Aristotle himself. His writing on the ideal 'virtuous city' shaped centuries of Islamic, and later European, political philosophy.

— Al-Farabi, Al-Farabi — c. 870–950 AD