Muḥammad ibn Ibrāhīm al-Fazārī

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Muhammad ibn Ibrahim ibn Habib ibn Sulayman ibn Samra ibn JundabTemplate:Sfn al-Fazari (Template:Langx) (died 796 or 806) was an Arab philosopher, mathematician and astronomer.Template:Sfn Template:Sfn Template:Sfn

Biography

Al-Fazārī translated many scientific books into Arabic and Persian. He is credited to have built the first astrolabe in the Islamic world.Template:Sfn He died in 796 or 806, possibly in Baghdad.^[1]

At the end of the 8th century, whilst at the court of the Abbasid Caliphate, al-Fazārī mentioned Ghana, "the land of gold."Template:Sfn

Along with Yaʿqūb ibn Ṭāriq, al-Fazārī helped translate the 7th century Indian astronomical text by Brahmagupta, the Brāhmasphuṭasiddhānta, into Arabic as 'Zij as-Sindhind Template:Transliteration,Template:Sfn or the Template:Transliteration. This translation was possibly the vehicle by means of which the mathematical methods of Indian astronomers were transmitted to Islam.Template:Sfn

The caliph Template: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 Template:Transliteration. 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").