Ahmad ibn Hanbal
Imam Ahmad bin Muhammad bin Hanbal Abu Abdullah Al-Shaibani (780–855 AD/164-241 AH) (), was a famous Islamic figure, scholar of Islamic law and hadith. One of the four traditional schools of Islam, the Hanbali school, is based on its interpretation. Imam Ahmad Shaikhul Islam is known in the Muslim world. Musnad, a collection of hadiths compiled by Imam Ahmad, is considered his great work.