Patrologia

Patristics or patrology is the study of the early Christian writers who are designated Church Fathers. The names derive from the combined forms of Latin pater and Greek patḗr (father). The period is generally considered to run from the end of New Testament times or end of the Apostolic Age (c. AD 100) to either AD 451 (the date of the Council of Chalcedon) or to the 8th-century Second Council of Nicaea.

Among those whose writings form the basis for patristics, (i.e. prominent early Church Fathers), are:

Major focuses for these theologians during the period are in chronological order: Christianity's relationship with Judaism; the establishment of the New Testament Canon; Apologetics (the 'defense' or 'explanation' of Christianity); and doctrinal discussions that sought to achieve consistency of faith, in particular within the Christianised Roman Empire. Following the scholar of Christianity Alister McGrath (1998), several major areas of theology can be seen to have developed during the Patristic Period: the extent of the New Testament Canon, the role of tradition, the fixing of the ecumenical creeds, the Two Natures of Christ, the doctrine of the Trinity, the doctrine of the Church, and the doctrine of Divine grace.