born in Baghdad about 896 AD, during the Caliphate of Mu'tadid and died in Egypt sometime around the year 956, eleven years after the Buwaihids, a Shi'a dynasty of Iranian origin, had occupied Baghdad and taken control of the Caliphate. His full name was Abu al-Hasan Ali ibn al-Husain ibn Ali ibn Abd Allah al-Mas'udi and he was notable as a Muslim historian. His two major works wereMeadows of Gold (Muruj al-Dhahab) and the Book of Notification (Kitab al-Tanbih).