"The School's purpose was to supply defenders of the Christian Faith. It did not attain a world-wide fame till Pantaenus became its teacher. He was a native of Sicily, and, before his conversion to Christianity, a Stoic philosopher. It is said that he was converted by one of the disciples of St Mark. He became head of the Catechetical School about 180. He immediately set about introducing those changes that contributed largely to its future celebrity. The union which he effected between theology and philosophy. Clement, the successor of Pantaenus viewed the union with suspicion." ...