The Life of Hypatius was likely written in the mid-fifth century by Callinicus, the second abbot of the monastery that Hypatius founded across the Bosporus Strait from Constantinople. From a literary perspective, the text is a fairly conventional example of a late antique Greek hagiography; it owes much in structure, tenor, and phrasing to the period’s most well-known hagiography, Athanasius’ Life of Antony. Based on evidence internal to the narrative, Hypatius would have lived from 366 to 446 and would have, along with two companions, set up their community some three miles south of Chalcedon around 400 in an otherwise unoccupied compound that included an apostolic church (that doubled as a martyrium), palace, and monastery built by the imperial official Rufinus. During the early years of Hypatius’ residence here, the site hosted the Synod of the Oak, an event that ultimately deposed John Chrysostom, although Hypatius was personally absent during the trial. Two of the Egyptian monks known as the Tall Brothers – Ammonius and Dioscorus – died during their stay, and their remains were deposited within the church.