Born in Trier in A.D. 340, Ambrose was one of the four great Latin Doctors of the Church (with Augustine, Jerome and Gregory the Great). He was a prolific author of hymns, the most common of which is Veni, Redemptor gentium ( " Savior of the Nations, Come " ). His name is also associated with Ambrosian Chant, the style of chanting the ancient liturgy that took hold in the province of Milan. While serving as a civil governor, Ambrose sought to bring peace among Christians in Milan who were divided into quarreling factions. When a new bishop was to be elected in 374, Ambrose addressed the crowd, and someone cried out, " Ambrose, bishop! " The entire gathering gave their support. This acclaim of Ambrose, a 34-year-old catechumen, led to his baptism on 7 December, after which he was consecrated bishop of Milan. A strong defender of the faith, Ambrose convinced the Roman emperor Gratian in 379 to forbid the Arian heresy in the West. At Ambrose's urging, Gratian'...