 The controversy on this subject, in which Melanchthon's friend Albert Rizaeus Hardenberg of Bremen was involved with Johann Timann and then with Heshusius, leading to his deposition in 1561, elevated the doctrine of ubiquity to an essential of Lutheran teaching.The Wittenberg pronouncement on the subject prudently confined itself to Biblical expressions and forewarned itself against unnecessary disputations, which only strengthened the suspicion of unavowed sympathy with Calvin.The strict Lutherans sought to strike a decisive blow at Philippism.