Porphyry of Tyre was a third-century Neoplatonic philosopher and follower of Plotinus. He edited and published ‘The Enneads’, the only collection of his tea

The father of geometry, Euclid was a Greek mathematician active in Alexandria during the reign of Ptolemy I (323-283 BC). His treatise on geometry, ‘Elements�

Proclus the Successor was a fifth-century Greek Neoplatonist philosopher and the last major ancient Greek philosopher. He set forth one of the most elaborate an

The philosopher and theologian, Saint Augustine, one of the Latin Fathers of the Church, created a theological system of great power and lasting influence. His

A scholar of the Biblical canon, Eusebius of Caesarea became counsellor of Constantine the Great and is regarded as an extremely learned Christian of the fourth