AD-DARAQUTNI, ‘Ali bin Umar: Abul-Hasan, ‘Ali bin ‘Umar bin Ahmad bin Mahdi Al-Baghdadi. He was nicknamed after a big store called Dar Al-Qutn in Baghdad. He was a great Hafidh and a unique Imam who was born in the year 306 H. He was the authority in the methodology of Hadeeth, the knowledge of the weaknesses of the Hadeeth narrations…