St. Jerome (347-420) was undoubtedly one of the most learned of the Latin Church Fathers. He mastered nearly the entirety of the antecedent Christian exegetical and theological tradition, both Greek and Latin, and he knew Hebrew and Aramaic. We have the fruit of that knowledge in his most famous editorial achievement, the Latin Vulgate translation of the Bible. Declared "the greatest doctor in explaining the Scriptures" by the Council of Trent,...