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date: 02 June 2020

Ibn Yunus locked

(c. 950–1009),
  • Ness Creighton

Extract

Egyptian astronomer, whose full name was Abu’l-Hasan ʿAli B. Abi Saʿid ʿAbd Al-Rahma, Ahmad B. Yunus Al-Sadafi, was one of the most prominent Muslim astronomers, not only of his time, but in terms of general influence. His al-Zidj al-kabir al-hakimi, considered one of the finest surviving astronomical handbooks, has been used extensively as a source of data by early and modern astronomers.

Ibn Yunus was the son of an eminent Egyptian historian ʿAbd al Rahnan and great grandson of the companion Yunus of the legal scholar al Shafi i While his exact date of birth is unknown it can be inferred from his reported age at the date of his father s death that he was born in the year 950 CE He is known not only as an astronomer but also as a poet and a musician having had much reported talent with the lute Some of Ibn Yunus s poems ...

A version of this article originally appeared in The Dictionary of African Biography.

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