Ahmed Ibn Yusuf

Full name: 
Ahmed Ibn Yūsuf Ibn Ibrāhim al-Misrī Ibn ad-Dāya
Arabic name: 
أحمد بن يوسف بن إبراهيم المصري بن الداية
Latin name: 
Ametus filius Iosephi
Date of death: 
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.