ibn-Musa al-Khwarizmi was born sometime before 800 A.D. and died after 847
A.D. He flourished as a mathematician and astronomer who was a
faculty member at the "House of Wisdom" established in Baghdad by
al-Rashid became the fifth Caliph of the Abbasid dynasty on 14 September 786,
about the time that al-Khwarizmi was born. Harun ruled, from his court in the
capital city of Baghdad, over the Islam empire. He brought culture to his court and tried to establish
the intellectual disciplines which at that time were not flourishing in the
Arabic world. He had two sons, the eldest was al-Amin while the younger was
al-Mamun. Harun died in 809.
became Caliph and ruled the empire from Baghdad. He continued the
patronage of learning started by his father and founded an academy called the
House of Wisdom where Greek philosophical and scientific works were translated.