MATHEMATICIAN
Al-Qalqashandi
1355 - 1418

Al-Qalqashandi
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 Arab 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. His magnum opus is the voluminous administrative encyclopedia Ṣubḥ al-Aʿshá. Read more on Wikipedia
His biography is available in 18 different languages on Wikipedia (up from 15 in 2024). Al-Qalqashandi is the 634th most popular mathematician (down from 552nd in 2024). (down from 2,968th in 2019)
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Among MATHEMATICIANS
Among mathematicians, Al-Qalqashandi ranks 634 out of 1,004. Before him are Willem 's Gravesande, Grete Hermann, Dmitri Egorov, Jakob Hermann, Jean Frédéric Frenet, and Alfréd Haar. After him are Douglas Hartree, Dinostratus, Polyaenus of Lampsacus, François d'Aguilon, Cahit Arf, and Luigi Bianchi.
Most Popular Mathematicians in Wikipedia
Go to all RankingsWillem 's Gravesande
1688 - 1742
HPI: 58.36
Rank: 628
Grete Hermann
1901 - 1984
HPI: 58.36
Rank: 629
Dmitri Egorov
1869 - 1931
HPI: 58.36
Rank: 630
Jakob Hermann
1678 - 1733
HPI: 58.35
Rank: 631
Jean Frédéric Frenet
1816 - 1900
HPI: 58.32
Rank: 632
Alfréd Haar
1885 - 1933
HPI: 58.31
Rank: 633
Al-Qalqashandi
1355 - 1418
HPI: 58.31
Rank: 634
Douglas Hartree
1897 - 1958
HPI: 58.29
Rank: 635
Dinostratus
390 BC - 320 BC
HPI: 58.29
Rank: 636
Polyaenus of Lampsacus
340 BC - 278 BC
HPI: 58.28
Rank: 637
François d'Aguilon
1567 - 1617
HPI: 58.27
Rank: 638
Cahit Arf
1910 - 1997
HPI: 58.27
Rank: 639
Luigi Bianchi
1856 - 1928
HPI: 58.26
Rank: 640
Contemporaries
Among people born in 1355, Al-Qalqashandi ranks 13. Before him are Manuel Chrysoloras, Melchior Broederlam, Konrad von Jungingen, Dorothea of Bulgaria, Isabella of Castile, Duchess of York, and Henry the Mild, Duke of Brunswick-Lüneburg. After him are Philippa, 5th Countess of Ulster, and Esau de' Buondelmonti. Among people deceased in 1418, Al-Qalqashandi ranks 5. Before him are Catherine of Lancaster, Mircea I of Wallachia, Ostoja of Bosnia, and Bernard VII, Count of Armagnac.
Others Born in 1355
Go to all RankingsManuel Chrysoloras
PHILOSOPHER
1355 - 1415
HPI: 65.74
Rank: 7
Melchior Broederlam
PAINTER
1355 - 1410
HPI: 64.61
Rank: 8
Konrad von Jungingen
POLITICIAN
1355 - 1407
HPI: 63.10
Rank: 9
Dorothea of Bulgaria
NOBLEMAN
1355 - 1390
HPI: 61.53
Rank: 10
Isabella of Castile, Duchess of York
POLITICIAN
1355 - 1392
HPI: 61.45
Rank: 11
Henry the Mild, Duke of Brunswick-Lüneburg
NOBLEMAN
1355 - 1416
HPI: 60.39
Rank: 12
Al-Qalqashandi
MATHEMATICIAN
1355 - 1418
HPI: 58.31
Rank: 13
Philippa, 5th Countess of Ulster
POLITICIAN
1355 - 1382
HPI: 56.18
Rank: 14
Esau de' Buondelmonti
POLITICIAN
1355 - 1411
HPI: 55.27
Rank: 15
Others Deceased in 1418
Go to all RankingsCatherine of Lancaster
COMPANION
1373 - 1418
HPI: 68.54
Rank: 1
Mircea I of Wallachia
POLITICIAN
1355 - 1418
HPI: 68.46
Rank: 2
Ostoja of Bosnia
POLITICIAN
1378 - 1418
HPI: 63.57
Rank: 3
Bernard VII, Count of Armagnac
POLITICIAN
1364 - 1418
HPI: 63.04
Rank: 4
Al-Qalqashandi
MATHEMATICIAN
1355 - 1418
HPI: 58.31
Rank: 5
























