A Catholic apologetics & formation system.

Father Category: Catholic Western

Clement of Rome
The third successor of Peter, whose letter to the Corinthians is the earliest post-apostolic document outside the New Testament and the first…
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Ignatius of Antioch
Bishop of Antioch and disciple of the Apostle John, Ignatius wrote seven letters on his journey to martyrdom that remain the most…
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Polycarp of Smyrna
Disciple of the Apostle John, bishop for over fifty years, and martyr at eighty-six, Polycarp is the living bridge between the apostles…
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Justin Martyr
A pagan philosopher converted to Christianity, Justin opened the first known Christian school in Rome and wrote the earliest defences of the…
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Tertullian of Carthage
The most brilliant and combative theologian of the early African church, Tertullian invented the Latin theological vocabulary — including the word Trinity…
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Origen of Alexandria
The most prolific writer in the early Church, Origen produced the first critical edition of the Old Testament, pioneered systematic theology, and…
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Cyprian of Carthage
Bishop of Carthage and martyr, Cyprian governed one of the largest churches in the Roman Empire for a decade of crisis. His…
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Athanasius of Alexandria
The great defender of Nicaea, exiled five times for refusing to compromise the doctrine that Christ is truly God of the same…
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Cyril of Jerusalem
Bishop of Jerusalem whose Mystagogical Catecheses — instructions to the newly baptised delivered within yards of where Christ was crucified — are…
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Ambrose of Milan
Governor, bishop, and theologian, Ambrose shaped the Western Church's sacramental theology and its relationship to imperial power. He refused Emperor Theodosius communion…
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