Al-Zahrawi
Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari (c. 936–1013), popularly known as al-Zahrawi, Latinised as Albucasis or Abulcasis (from Arabic Abū al-Qāsim), was an Arab physician, surgeon and chemist from al-Andalus. He is considered one of the greatest surgeons of the Middle Ages.