St. Cyril of Alexandria was a staunch and tireless witness to Jesus Christ, the Word of God incarnate, emphasizing his unity, which he reiterated in his first letter to Bishop Succensus in 433 ...

Recently I commented briefly on the new edition of Fr. John McGuckin’s study, Saint Cyril of Alexandria and the Christological Controversy, on the occasion of its being reviewed by First Things.

That problem aside, John McGuckin’s Saint Cyril of Alexandria and the Christological Controversy is a book to be welcomed and recommended.

St. Cyril of Alexandria died on June 27, 444, having been a bishop for nearly 32 years. Long celebrated as a saint, particularly in the Eastern Catholic and Eastern Orthodox churches, he was ...

Then, during the weekly Audience in St. Peter's Square, the Holy Father dwelt on the figure of Saint Cyril of Alexandria. “Connected with the Christological controversy which led to the Council of ...