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Ibn Sina

(Encyclopedia)Ibn Sina: see Avicenna.

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.

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...

Abdullah I

(Encyclopedia)Abdullah I (Abdullah ibn Husayn) äbdo͝olˈlä ĭˈbən ho͝osānˈ [key], 1882–1951, king of Jordan (1946–51), b. Mecca; son of Husayn ibn Ali of the Hashemite family. During World War I, Abdull...

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...

Abraham ben Meir ibn Ezra

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