He is the author of the most important encyclopedia in the science of grammar and the sciences of the Arabic language, despite his birth to Persian parents. He is Sibawayh, the scholar who lived for knowledge and died for it, as we learn about his story in this video. Who is Sibawayh? Sibawayh Amr bin Othman bin Qanbar Al-Harithi grew up in Basra, and it is likely that his birth was in the year 135 AH, in one of the cities of Persia. He was not a grammarian.