Peripatetic school
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.