 By the end of the Middle Ages, the University had become a very conservative force against any change in society.Dissection of corpses was forbidden in the medical school long after it became common practice at other universities, and unorthodox ideas were regularly condemned by the faculty; individuals viewed as heretics were punished.In February 1431, a tribunal of faculty members led by Pierre Cauchon was called upon by the English and Burgundians to judge whether Joan of Arc was guilty of heresy.