أحمد بن الحسين البيهقي
Al-Bayhaqi
Abu Bakr
384 AH / 994 CE458 AH / 1066 CEotherthiqah
Nishapur
Al-Bayhaqi authored major hadith compilations including al-Sunan al-Kubra and Dalail al-Nubuwwa. He integrated hadith evidence with legal method. Critics recognized him as trustworthy.