Who Was Ibn ‘Abd al-Wahhab?

From Web Exclusives

ISIS is only the latest (and certainly most barbaric) interpretation of a current in Islamic thought known as Salafism—an originalist approach to Islamic law and creed that relies exclusively on a narrow reading of the Qur’an and the hadith. In Saudi Arabia, these ideas were first introduced by a man living at the end of the eighteenth century: Muhammad ibn ‘Abd al-Wahhab.