Phanias of Eresus

Phaenias of Eresus (Ancient Greek: Φαινίας ὁ Ἐρέσιος, Phainias; also Phanias) was a Greek philosopher from Lesbos, important as an immediate follower of and commentator on Aristotle. He came to Athens about 332 BCE, and joined his compatriot, Theophrastus, in the Peripatetic school. His writings on logic and science appear to have been commentaries or supplements to the works of Aristotle and Theophrastus. He also wrote extensively on history. None of his works have survived.

Phaenias was born in Eresos in Lesbos. He was the friend and fellow-citizen of Theophrastus, a letter of whose to Phaenias is mentioned by Diogenes Laërtius. He came to Athens around 332 BCE, and joined Theophrastus in the Peripatetic school. He was the most distinguished disciple of Aristotle, after Theophrastus. He wrote upon every department of philosophy, as it was studied by the Peripatetics, especially logic, botany, history, and literature.

We have little information concerning his works on Logic. He seems to have written commentaries and supplements to the works of Aristotle, which eventually became eclipsed by the writings of the master himself. In a passage of Ammonius we are told that Eudemus, Phaenias, and Theophrastus wrote, in emulation of their master, Categories and De Interpretatione and Analytics. There is also an important passage respecting ideas, preserved by Alexander of Aphrodisias, from a work of Phaenias, Against Diodorus, which may possibly be the same as the work Against the Sophists, from which Athenaeus cites a criticism on certain musicians.

...
Wikipedia