Died on 735
An Arab grammarian and is the earliest known grammarian of the Arabic language.
Ibn Abi Usaybia was a Muslim physician and historian of medicine. He was born in Damascus where he studied medicine before immigrating to Cairo; there he was physician at the hospital; he then became physician to the Emir Azeddin in Sarkar. For more detail click here.
Died on 1079
Abu Ibrahim ibn Aflah Al-Rakham, a marble mason, who in September 1079, completed restoration works at the Mosque of Seville after it had been damaged weeks before. For more detail click here.