al-Khwarizmi
Also known as: Abu ja'far Muhhamad ibn Musa
800 – 850
Arab

Mathematician. He may be considered the father of modern mathematics in addition to his many other studies. The word algebra derives from the title of one of his books.

Contemporaries
800–870al-Kindi
766–809Harun al-Raschid
839–923al-Tabari
772–846Bo Juyi
752–803Irene
806–882Hincmar
810–877John Scotus Erigena
742–814Charlemagne
812–886Basil I
849–899Alfred
737–804Alcuin