Theon of Alexandria
Appearance
Theon (ca. 335 .. ca. 405 AD) was a scholar and the last director of the Library of Alexandria in the Museion, until it was demolished by the patriarch Theophilus on order of the byzantian emperor Theodosius in 391 AD. He wrote some commentaries on important works by his hellenistic predecessors, notably the Almagest. Theon was the father of Hypatia.