Encyclopaedia of Islam, THREE

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Kūshyār b. Labbān
(1,616 words)

Abū l-Ḥasan Kūshyār b. Labbān b. Bāshahrī al-Jīlī was one of several eminent scientists patronised by the Būyid (r. 320–454/932–1062) and Ziyārid (r. 319–c.483/931–c.1090) courts. His contributions to astronomy and mathematics earned him the respect of his colleagues and an important place in the history of science in mediaeval Islam.

1. Life

Estimates for the date of Kūshyār’s birth range from 322–32/934–44 (Jaouiche; note that the word “logarithm,” which appears several times in Jaouiche’s article, …

Cite this page
Berggren, J. Lennart, “Kūshyār b. Labbān”, in: Encyclopaedia of Islam, THREE, Edited by: Kate Fleet, Gudrun Krämer, Denis Matringe, John Nawas, Everett Rowson. Consulted online on 29 September 2020 <http://dx.doi.org/10.1163/1573-3912_ei3_COM_35743>
First published online: 2020
First print edition: 9789004413443, 2020, 2020-2



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