ʿABDALLĀH B. ŠĀKER B. ABU’L-MOṬAHHAR AL-MAʿADĀNĪ, ŠAMS-AL-DĪN, an expert in geometry and the science of the stars, d. at Isfahan in late 570/1174-75. He apparently wrote works in both Persian and Arabic; none survives, and even the titles are unknown.
Ebn al-Qefṭī, Taʾrīḵ al-ḥokamāʾ, ed. J. Lippert, Leipzig, 1903, p. 224.
Suter, Mathematiker, p. 123, no. 299.
Originally Published: December 15, 1982
Last Updated: July 15, 2011
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Vol. I, Fasc. 2, pp. 185-186