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Theophrastus (born c. 372 bc, Eresus, Lesbos—died c. 287) was a Greek Peripatetic philosopher and pupil of Aristotle. He studied at Athens under Aristotle, and when Aristotle was forced to retire in 323, he became the head of the Lyceum, the academy in Athens founded by Aristotle. Under Theophrastus, the enrollment of pupils and auditors rose to its highest point. Theophrastus was one of the few Peripatetics who fully embraced Aristotle’s philosophy in all areas...