Born on 1178 Died on 1244
Abu Ishaq Ibrahim ibn Abd Allah, Al-Hamdani Al-Hamawi, Shihab Al-Din was born in Hama in 1187-8, where he flourished and where he died in 1244-5. He is a Shafiite Qadi (judge) historian who wrote Tarikh (History) of the Prophet and of the caliphs down to 1231. He dedicated to the Ayyubid prince Al-M...
Died on 912
Ahmad Ibn Yusuf ibn Ibrahim ibn al-Daya al Misri, (the latter word means the Egyptian). He flourished in Egypt in the second half of the 9th century and died about 912. He set up some of the earliest foundations of modern mathematics and in medieval Europe, he was known as Ametus filius Joseph.