Properly Maíer, a German theologian, of Swabian birth, professor at Ingolstadt; a violent, blustering antagonist of Luther and Luther's doctrines; in his zeal went to Rome, and procured a papal bull against both; undertook at the Augsburg Diet to controvert Luther's doctrine from the Fathers, but not from the Scriptures; was present at the conferences of Worms and Regensburg (1486-1543).