Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari, popularly known as al-Zahrawi, Latinised as Albucasis or Abulcasis, was an Arab physician, surgeon and chemist from al-Andalus. He is considered one of the greatest surgeons of the Middle Ages. 935 – 1036; died at about 100. Alive at the same time as Murasaki Shikibu, Leif Erikson, Farabi, Sylvester II, and Vladimir the Great. Wiki link