Epiphanius, Bishop of Constantia on Cyprus from 367 to 403 CE, was incredibly influential in the last decades of the fourth century. Whereas his major surviving text--the Panarion, an encyclopedia of heresies--is studied for lost sources, Epiphanius himself is often dismissed as an anti-intellectual eccentric, a marginal figure of late antiquity. In this book, Andrew S. Jacobs moves Epiphanius from the margin back toward the center and proposes...