Prof. Hanko is professor emeritus of Church History and New Testament in the Protestant Reformed Seminary. Introduction Anyone interested in the great Reformation of the sixteenth century readily acknowledges that Martin Luther was the outstanding reformer, of all those who engaged in this great work. Followers of John Calvin, while recognizing that Calvin’s theological writings were more thoroughly biblical (in his theological approach to the truth in distinction from Luther’s soteriological emphasis, and in the doctrine of the presence of Christ in the Lord’s Supper), nevertheless recognize that Luther was used by God not only to begin the Reformation, but...