d.471. Patriarch of Constantinople. While a member of a monastery in Constantinople, he wrote against the anathemas of Cyril of Alexandria during the Nestorian controversy. On the death of Anatolius in 458, Leo the Thracian made him patriarch. After a synod in Constantinople in 459 he tried to heal the schism which followed the (451) by action as well as by sending an encyclical to his bishops and clergy. He wrote a number of biblical commentaries, e.g., on Genesis and Daniel, but parts of these only survive within catenae. A letter from Pope Leo to him is extant (ep.170). In the East he is regarded as a saint.