Full Name: Abul-Abbas al-Fadl ibn Hatim al-Nairizi
Arabic: أبو العباس الفضل بن حاتم النيريزي
Born: 865 AD
Origin: Nayriz, now in Fars Province, Iran
Dies: 922 AD
Famous for: Mathematician and Astronomer
Contribution:
Gave a mathematical proof of the parallel postulate
Exact method for the numerical determination of the Qibla
Articles
https://en.wikipedia.org/wiki/Al-Nayrizi
https://mathshistory.st-andrews.ac.uk/Biographies/Al-Nayrizi/
