ABŪ JAʿFAR B. AḤMAD B. ʿABDALLĀH B. ḤABAŠ, mid- to late 3rd/9th century astronomer, son of a famous astronomer from Marv. Ebn al-Nadīm, followed by Ebn al-Qefṭī, attributed to Abū Jaʿfar a Ketāb al-asṭorlāb al-mosaṭṭaḥ (“Book of the plane astrolabe”). A manuscript of the text survives in Paris.

Bibliography:

Ebn al-Nadīm, Fehrest, II, p. 275.

Ebn al-Qefṭī, Taʾrīḵ al-ḥokamāʾ, ed. J. Lippert, Leipzig, 1903, p. 396.

Suter, Mathematiker, pp. 27-28, no. 51.

Sezgin, GAS VI, p. 188.

(D. Pingree)

Originally Published: December 15, 1983

Last Updated: July 19, 2011

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