Ab Bakr al-Khwarizm

(from the article `Hamadhn, al-`) Al-Hamadhn, often known as Bad` az-Zamn (`Wonder of the Age`), achieved an early success through a public debate with Ab Bakr al-Khwarizm, a leading ...
Found on http://www.britannica.com/eb/a-z/a/7
No exact match found