Brief Biographies of some of the People of Knowledge Taken from Siyaar ‘Alaam an-Nubalaa & Thahdheeb at Thahdheeb And other works Compiled & Translated By Abbas Abu Yahya From the People of Knowledge The Khalifah Umar bin AbdulAzeez He was the Khalifah and great Imaam Umar bin AbdulAzeez ibn Marwan bin al-Hakm bin Abee al-Aas,…