Scholar · 973 to c. 1050
al-Biruni
Astronomer and mathematician who travelled with Mahmud of Ghazni and wrote a careful study of India. He measured the earth's radius from a hill at Nandana in today's Punjab, Pakistan.
At a glance
- Lived
- 973 to c. 1050
- Role
- Scholar
- Era
- Three caliphs at once
- Chapter
- 4. Al-Andalus and the Subcontinent
al-Biruni's world
1000: Three caliphs at once
From 929 to 1031 three rulers called themselves caliph: the Abbasid in Baghdad, the Fatimid in Cairo and the Umayyad in Cordoba. In the east, Mahmud of Ghazni led seventeen campaigns into India between 1001 and 1027.
People of the same era
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