The chief of the Ahl-i sunnat and the founder of Fiqh is Imâmi â’zam Abû Hanîfa ‘rahmatullâhi ta’âlâ ’alaih’. Three-fourths of the rules of Islam that are being practised all over the world belong to him. He has a share also in the remaining one-fourth. He is the host, the chief of the family in the Islamic religion. All the other mujtahids are his children