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Ibn al-Haytham

(Encyclopedia)Ibn al-Haytham ălhəzĕnˈ [key], 965–c.1040, Arab mathematician. Ibn al-Haytham was born in Basra, but made his career in Cairo, where he supported himself copying scientific manuscripts. Among hi...

Ibn Hanbal, Ahmad

(Encyclopedia)Ibn Hanbal, Ahmad äˈməd ĭbˈən hănˈbăl [key], 780–855, Muslim jurist and theologian. His disciples founded the fourth of the four major Sunni schools of jurisprudence, the Hanbali. Ibn Hanba...

Tarik ibn Ziyad

(Encyclopedia)Tarik ibn Ziyad täˈrĭk [key], fl. 711, Berber leader of the Muslim invaders of Spain. When the heirs of the Visigothic king, Witiza, requested help from the Moors of N Africa against the usurper Ro...

Ibn Sina Peak

(Encyclopedia)Ibn Sina Peak: see Lenin Peak.

Husayn ibn Ali

(Encyclopedia)Husayn ibn Ali ĭˈbən äˈlē [key], 1856–1931, Arab political and religious leader. In 1908 he succeeded as grand sherif of Mecca and thus became ruler of the Hejaz under the Ottoman Empire. In W...

Yusuf ibn Tashfin

(Encyclopedia)Yusuf ibn Tashfin yo͞oso͝ofˈ ĭˈbən täshfēnˈ [key], d. 1106, ruler in the dynasty of the Almoravids (c.1059–1106). A Muslim, he led the Berbers in N Africa, continued the conquest of Morocco...

Ibn Ezra, Abraham ben Meir

(Encyclopedia)Ibn Ezra, Abraham ben Meir mâr [key], c.1089–1164, Jewish grammarian, commentator, poet, philosopher, and astronomer, b. Tudela, Spain. He traveled widely and wrote a number of ethical treatises, p...

Abd al-Aziz ibn Saud

(Encyclopedia)Abd al-Aziz ibn Saud: see Ibn Saud. ...

Abraham ben Meir ibn Ezra

(Encyclopedia)Abraham ben Meir ibn Ezra: see Ibn Ezra, Abraham ben Meir. ...

Abd Allah ibn Yasin

(Encyclopedia)Abd Allah ibn Yasin: see Almoravids. ...