Abubakr: The First caliph of Islam Abu Bakr was a towering figure in the development and early survival of Islam. He was responsible for preventing the break-up of the Islamic community following Muhammad's death and is regarded by Sunni Muslims, although not by Shi'a, as the most worthy of all Muhammad's early male companions. His character has impressed even those highly critical of Muhammad, leading them to surmise that Muhammad must have been sincere at least initially else he could never have commanded the loyalty of a man like Abu Bakr. When Muhammad died, Abu Bakr was selected as Caliph but he never allowed authority or power to corrupt him or to think that he himself was a substitute for Muhammad, on whose death he told the assembled, “Whoso worshippeth Muhammad, let him know that Muhammad is dead; but whoso worshippeth God, let him know that God liveth and dieth not” (Bukhari, Volume 5, Book 59, Number 733). The unity so valued by Islam both of faith a...