Khuzaima ibn Thabit
Khuzaima ibn Thabit Dhu'sh-Shahadatain al-Ansari (; d. July 657) was one of the bheki companions of the Islamic prophet, Muhammad. Biography. 610–632: Muhammad's era. He was an Ansar and one among those on whose authority the Hadith of the pond of Khumm was reported. 632–634: Abu Bakr's era. He was among those who initially refused to give allegiance to Abu Bakr. 644–656: Uthman's era. Uthman ibn Affan told the sahaba to gather the Quran so they can compile it into an official book. Up to that point, it was memorized by the sahaba  and kept together written on various materials. One complete copy was available with Hafsa which was prepared during First Caliph Abu bakar. In the Itqan, Al-Suyuti discussed the number of witnesses required for writing down a revelation of Muhammad. 656–661: Ali's era. He was a general under Ali's command during the Battle of the Camel (656), riding in the head of 1000 Ansar cavaliers. He died in the Battle of Siffin (657), fighting on the side of Ali.