sentences:  The cathedral at Ribe was administered by some of the greatest humanist reformers in the sixteenth and seventeenth centuries, including Hans Tausen, Peder Hegelund, and Jens Dinesen Jersin providing Severinus with the best education available in Denmark at the time.Some time around the late 1550s, Severinus entered the University of Copenhagen.While enrolled he probably followed the standard European undergraduate curriculum, which prescribed texts based on the writings and commentaries of Aristotle.