But Osiander's house had another attraction of a different kind from theological sympathy.
His superiors, seeing his great aptitude for theological study, sent him to the Dominican school in Cologne, where Albertus Magnus was lecturing on philosophy and theology.
This doctrine, rather political than theological, was a survival of the errors which had come into being after the Great Schism, and especially at the council of Constance; its object was to put the Church above its head, as the council of Constance had put the ecumenical council above the pope, as though the council could be ecumenical without its head.
In 1817 a Roman Catholic theological faculty was added, with a seminary called the Konvikt, and there are now also faculties of law, medicine, philosophy, political economy and natural science.
The leading faculty has long been that of theology, and an advanced school of theological criticism, the founder and chief light of which was F.