someone who is learned in theology or who speculates about theology

(Roman Catholic Church) Roman priest who became bishop of Milan; the first Church Father born and raised in the Christian faith; composer of hymns; imposed orthodoxy on the early Christian church and built up its secular power; a saint and Doctor of the Church (340?-397)

(Roman Catholic Church) Italian theologian and Doctor of the Church who is remembered for his attempt to reconcile faith and reason in a comprehensive theology; presented philosophical proofs of the existence of God (1225-1274)

(Roman Catholic Church) Greek patriarch of Alexandria who championed Christian orthodoxy against Arianism; a church father, saint, and Doctor of the Church (293-373)

(Roman Catholic Church) one of the great Fathers of the early Christian church; after a dramatic conversion to Christianity he became bishop of Hippo Regius in North Africa; St. Augustine emphasized man's need for grace (354-430)

(Roman Catholic Church) the bishop of Caesarea who defended the Roman Catholic Church against the heresies of the 4th century; a saint and Doctor of the Church (329-379)

the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy

(Roman Catholic Church) Roman priest who became bishop of Milan; the first Church Father born and raised in the Christian faith; composer of hymns; imposed orthodoxy on the early Christian church and built up its secular power; a saint and Doctor of the Church (340?-397)

(Roman Catholic Church) Italian theologian and Doctor of the Church who is remembered for his attempt to reconcile faith and reason in a comprehensive theology; presented philosophical proofs of the existence of God (1225-1274)

(Roman Catholic Church) Greek patriarch of Alexandria who championed Christian orthodoxy against Arianism; a church father, saint, and Doctor of the Church (293-373)

(Roman Catholic Church) one of the great Fathers of the early Christian church; after a dramatic conversion to Christianity he became bishop of Hippo Regius in North Africa; St. Augustine emphasized man's need for grace (354-430)

(Roman Catholic Church) the bishop of Caesarea who defended the Roman Catholic Church against the heresies of the 4th century; a saint and Doctor of the Church (329-379)

the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy