Provided by Wikipedia Abū Bakr Aḥmad ibn ʿAlī ibn Thābit ibn Aḥmad ibn Māhdī al-Shāfiʿī, commonly known as al-Khaṭīb al-Baghdādī () or "the lecturer from Baghdad" (10 May 1002 – 5 September 1071; 392 AH-463 AH), was a SunniMuslimscholar known for being one of the foremost leading hadith scholars and historians at his time. He is widely considered an important authority in hadith, fiqh and history.