Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari (Arabic: أبو القاسم خلف بن العباس الزهراوي;‎ 936–1013), popularly known as Al-Zahrawi (الزهراوي), Latinised as Abulcasis (from Arabic Abū al-Qāsim), was an Arab Andalusian physician, surgeon and chemist. Considered to be the greatest surgeon of the Middle Ages, he has been referred to as the ...

The Uí Ímair (Irish: [iː ˈiːwaɾʲ] (); meaning ‘scions of Ivar’), also known as the Ivar Dynasty or Ivarids was a royal Norse-Gael dynasty which ruled much of the Irish Sea region, the Kingdom of Dublin, the western coast of Scotland, including the Hebrides and some part of Northern England, from the mid 9th century. [citation needed]The dynasty lost control of York in the mid 10th ...