11th-century mathematicians

Persian physicist, mathematician and astronomer (c. 965 – c. 1040)

German 11th-century Benedictine monk

Abū Isḥāq Ibrāhīm ibn Yaḥyā al-Naqqāsh al-Zarqālī al-Tujibi (); also known as Al-Zarkali or Ibn Zarqala (1029–1100), was an Arab maker of astronomical instruments and an astrologer from the western part of the Islamic world.

Egyptian mathematician (c. 950–1009)

mathematician and astronomer

Medieval Arab mathematician

Arab qadi of Toledo in Muslim Spain (1029–1070)

monk and scholar of the Abbey of Saint Gall

Medieval Arab mathematician

Andalusi mathematician

thumb|Byrhtferth's diagram with the Four elements (earth, water, air, fire), seasons, solstices, equinoxes, signs of the zodiac and ages of man. An [[Ogham inscription is in the centre. Miniature from the twelfth-century English medieval manuscript MS Oxford St John's College 17, folium 7 verso. Copy from original about 1000 AD by Byrhtferth.]] Byrhtferth (; ) was a priest and monk who lived at Ramsey Abbey in Huntingdonshire (now part of Cambridgeshire) in England. He had a deep impact on the intellectual life of later Anglo-Saxon England and wrote many computistic, hagiographic, and historic

medieval bishop of Utrecht

Spanish writer

11th century mathematician

Arab jurist (11th-12th century)