Pope St. Celestine I (d. 432 A.D.) was a Roman deacon who was elected Supreme Pontiff in 422 A.D. He was a contemporary of St. Augustine, and it is said that the two were good friends. He also lived with St. Ambrose in Milan prior to serving in Rome. Pope St. Celestine led the Church for nine years during a troubled time of social upheaval. Within the Church there were multiple dangerous...