Al-Bayhaqi
Abū Bakr Aḥmad ibn Ḥusayn Ibn 'Alī ibn Mūsa al-Khosrojerdi al-Bayhaqi ( Larabci ), البيهقي wanda aka fi sani da Imām al-Bayhaqi an haife shi a shekara ta 994 AZ / 384 AH a cikin ƙaramin gari na Khosrowjerd kusa da Sabzevar, wanda a lokacin da aka fi sani da Bayhaq, a Khurasan. A lokacin rayuwarsa, ya zama sanannen malamin hadisi na Sunniah, yana bin makarantar Shafi'i a fiqh da Ash'ari makarantar Ilimin Addinin Musulunci.

Tarihin Rayuwa 
Cikakken sunan Al-Bayhaqi shine أحمد بن الحسين بن علي بن موسى الخراساني البيهقي المشهور بالبيهقي. 

Al-Bayhaqi masanin fiqhu ne na makarantar Shafi'i, da na hadisi . Ya yi karatun fiqh a karkashin Abū al-Fatḥ Nāṣir ibn al-Ḥusayn bn Muḥammad al-Naysaburi da kuma Abul Hasan Hankari. Ya kuma karanci hadisi a karkashin Hakim al-Nishaburi, Abu Mansur Al-Baghdadi da sauransu, kuma shi ne babban malamin al-Nishaburi. Ya mutu a shekara ta 1066

Ayyuka 
Bayhaqi shahararren marubuci ne a lokacinsa, wanda ya wallafa juzu'o'i sama da dubu a cewar Al-Dhahabi .  Daga cikin sanannun litattafan da marubucin ya rubuta akwai: 

 Sunan al-Kubra lil Behaqi, wanda aka fi sani da Sunan al-Bayhaqi 
 Ma`arifa al-Sunan wa al-Athar (ana kiranta Al-Sunan al-Wusta  ) 
 Bayan Khata Man Akhta`a `Ala al-Shafi`i ( Bayyanar kurakuran wadanda suka haifar da kuskure ga al-Shafi`i) 
 Al-Mabsut, littafi ne a kan Shafi`i Doka 
 Al-Asma 'wa al-Sifat (Sunaye da Halayen Allah) 
 Al-I`tiqad` ala Madhhab al-Salaf Ahl al-Sunna wa al-Jama`a 
 Dala'il al-Nubuwwah (Alamomin Annabci) 
 Shuab ul Iman (rassan imani) 
 Al-Da`awat al-Kabir (Babban littafin Addu'a) 
 Al-Zuhd al-Kabir (Babban littafin Asceticism)

Manazarta