b. ca. AD 320 in Caesarea (Cappadocia);
d. probably AD 379;
distinguished Greek Doctor of the Church; Bishop in Caesarea and Metropolitan of Cappadocia from 370 on; brother of Gregorius  of Nyssa.
The substantial literary œuvre contains a corpus asceticum of seven authentic pieces (ascetica), ca. 46 authentic homilies, two dogmatic treatises (Against Eunomius, On the Holy Spirit), a corpus …