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8/9th century Persian mathematician and astronomer From Wikipedia, the free encyclopedia
Muhammad ibn Ibrahim ibn Habib ibn Sulayman ibn Samra ibn Jundab[1] al-Fazari (Arabic: محمد بن إبراهيم بن حبيب بن سليمان بن سمرة بن جندب الفزاري) (died 796 or 806) was an Arab philosopher, mathematician and astronomer.[2][3][4]
Muhammad ibn Ibrahim al-Fazari | |
---|---|
Died | 796 or 806 possibly Baghdad |
Occupation(s) | Philosopher, mathematician, astronomer |
Era | Islamic Golden Age |
Al-Fazārī translated many scientific books into Arabic and Persian. He is credited to have built the first astrolabe in the Islamic world.[5] He died in 796 or 806, possibly in Baghdad.[6]
At the end of the 8th century, whilst at the court of the Abbasid Caliphate, al-Fazārī mentioned Ghana, "the land of gold."[7]
Along with Yaʿqūb ibn Ṭāriq, al-Fazārī helped translate the 7th century Indian astronomical text by Brahmagupta, the Brāhmasphuṭasiddhānta, into Arabic as 'Zij as-SindhindAz-Zīj ‛alā Sinī al-‛Arab,[8] or the Sindhind. This translation was possibly the vehicle by means of which the mathematical methods of Indian astronomers were transmitted to Islam.[9]
The caliph[which?] ordered al-Fazārī to translate the Indian astronomical text, The Sindhind, along with Yaʿqūb ibn Ṭāriq, which was completed in Baghdad about 750, and entitled Az-Zīj ‛alā Sinī al-‛Arab. This translation was possibly the vehicle by means of which the Hindu numeral system (the modern number notation) was transmitted from India to Iran.
Al-Fazari composed various astronomical writings ("On the astrolabe", "On the armillary spheres", "on the calendar").
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