 Roger seems to have been influenced more by the 6th-century Aëtius and Alexander of Tralles, and the 7th-century Paul of Aegina, than by the Arabs.Hugh of Lucca (1150−1257) founded the Bologna School and rejected the theory of "laudable pus".In the 13th century in Europe skilled town craftsmen called barber-surgeons performed amputations and set broken bones while suffering lower status than university educated doctors.