MATHEMATICIAN

Al-Qalqashandi

1355 - 1418

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Shihāb al-Dīn Abū 'l-Abbās Aḥmad ibn ‘Alī ibn Aḥmad ‘Abd Allāh al-Fazārī al-Shāfiʿī better known by the epithet al-Qalqashandī (Arabic: شهاب الدين أحمد بن علي بن أحمد القلقشندي; 1355 or 1356 – 1418), was a medieval Egyptian encyclopedist, polymath and mathematician. A native of the Nile Delta, he became a Scribe of the Scroll (Katib al-Darj), or clerk of the Mamluk chancery in Cairo, Egypt. Read more on Wikipedia

Since 2007, the English Wikipedia page of Al-Qalqashandi has received more than 45,156 page views. His biography is available in 15 different languages on Wikipedia. Al-Qalqashandi is the 552nd most popular mathematician.

Memorability Metrics

  • 45k

    Page Views (PV)

  • 51.39

    Historical Popularity Index (HPI)

  • 15

    Languages Editions (L)

  • 3.40

    Effective Languages (L*)

  • 2.47

    Coefficient of Variation (CV)

Among MATHEMATICIANS

Among mathematicians, Al-Qalqashandi ranks 552 out of 1,004. Before him are Aleksandr Khinchin, Pierre Fatou, Max August Zorn, John Tate, Chen Jingrun, and Jacques Herbrand. After him are Ronald Graham, Max Dehn, Abraham Gotthelf Kästner, Cahit Arf, Henri Brocard, and Joseph Valentin Boussinesq.

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Contemporaries

Among people born in 1355, Al-Qalqashandi ranks 13. Before him are Konrad von Jungingen, Dorothea of Bulgaria, Theodore I Palaiologos, Isabella of Castile, Duchess of York, Henry the Mild, Duke of Brunswick-Lüneburg, and Thomas of Woodstock, 1st Duke of Gloucester. After him are Esau de' Buondelmonti, and Philippa, 5th Countess of Ulster. Among people deceased in 1418, Al-Qalqashandi ranks 5. Before him are Mircea I of Wallachia, Catherine of Lancaster, Bernard VII, Count of Armagnac, and Ostoja of Bosnia.

Others Born in 1355

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Others Deceased in 1418

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