Much of this stemmed from the revelations in his Historia Calamitatum and the compilation Sic et non.  
His pupils helped him build a monastic school he named the Paraclete, and shortly after he wrote an account of his ethical system entitled Nosce te ipsum.  Nearly ten years after matriculating from his study under Roscellinus and William of Champeaux, he was condemned by the Council of Soissons for his Nominalist doctrines.  Much of this stemmed from the revelations in his Historia Calamitatum and the compilation Sic et non.  He will best remembered for his association with Canon Fulbert's daughter.  FTP, name this 12th-century philosopher whose affair with Heloise led to his castration.
His pupils helped him build a monastic school he named the Paraclete, and shortly after he wrote an account of his ethical system entitled Nosce te ipsum.  
Peter Abelard or Pierre Abelard