Abu Ali al-Hasan al-Marrakushi

Abu Ali al-Hassan al-Marrakushi (fl. 1281/2) was a Moroccan astronomer and mathematician. He was especially important in the field of trigonometry. He described more than 240 stars. He is the author of a very large compendium on spherical astronomy and astronomical instruments (sundials, astrolabes) entitled ami’ al-mabadi' wa'l-ghayat. He wrote this treatise in Cairo. It was translated into French by J. J. Sedillot in 1834. He also the author of Kitab al-Kotua al-Makhrutia (conic sections).[1]

References

1. Halima El Ghrari, Architects of the Scientific Thought in Islamic Civilization, 35 Al.Hasan al-Murakchi, ISESCO, 2003, p.98 (retrieved 31 January 2011)

• Al-Hasan ibn 'Alî al-Marrâkushî: Jâmi' al-mabâdi' wa 'l-ghâyât fî 'ilm al-mîqât (Comprehensive Collection of Principles and Objectives in the Science of Timekeeping), 1984, set of 2 vols., ISBN 3-8298-0201-3 (facsimile edition)
• Sédillot, L. P.E. A., Mémoire sur les Instruments Astronomiques des Arabes composé au 13e siècle par Aboul Hassan Ali de Maroc, published with an introduction by L.P.E.A. Sédollot, 2 vols. Imp. Royale, Paris, 1834–5
• Heinrich Suter, Die Mathematiker und Astronomen der Araber und ihre Werke (1900)., p. 144–5 (n. 363)
• Mayer, Leo Ary, Islamic astrolabists and their works, Geneve, A. Kundig: 1956., p. 46 (see Al-Hasan ibn Ali)

External links

Charette, François (2007). "Marrākushī: Sharaf al‐Dīn Abū ʿAlī al‐Ḥasan ibn ʿAlī ibn ʿUmar al‐Marrākushī". In Thomas Hockey; et al. (eds.). The Biographical Encyclopedia of Astronomers. New York: Springer. pp. 739–40. ISBN 978-0-387-31022-0. (PDF version)