Ahmed ibn Sahl al-Balkhi

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Abu Zaid Ahmed ibn Sahl al-Balkhi was a Persian mathematician who lived in the 10th century.

Born in Shamistiyan, in the Persian province of Balkh (now in Afghanistan), he was a member of the Imamiya sect and a disciple of al-Kindi.

Of the many books ascribed to him in the al-Fihrist by Ibn al-Nadim, one can note the excellency of mathematics; on certitude in astrology.

His "Figures of the Climates" (Suwar al-aqalim) consisted chiefly of geographical maps.

[edit] Sources

  • M. J. de Goeje: Die Istakhri-Balkhi Frage (Z. d. deutschen morgenl. Ges., vol. 25, 42-58, 1871).
  • H. Suter: Die Mathematiker und Astronomen der Araber (211, 1900).

[edit] See also

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