Athanasius of Alexandria (c.295-373) is one of the greatest and most controversial figures of early Christian history. His life spanned the period of fundamental change for the Roman Empire and the Christian Church that followed the conversion of Constantine the Great, the first Christian Roman emperor. A bishop and theologian, an ascetic and a pastoral father, Athanasius played a central role in shaping Christianity in these crucial formative years. As bishop of Alexandria (328-73) he fought to unite the divided Egyptian Church and inspired admiration and opposition alike from fellow bishops...