MATHEMATICIAN

Al-Sijzi

945 - 1020

Al-Sijzi

Abu Sa'id Ahmed ibn Mohammed ibn Abd al-Jalil al-Sijzi (c. 945 - c. 1020, also known as al-Sinjari and al-Sijazi; Persian: ابوسعید سجزی; Al-Sijzi is short for "Al-Sijistani") was an Iranian Muslim astronomer, mathematician, and astrologer. He is notable for his correspondence with al-Biruni and for proposing that the Earth rotates around its axis in the 10th century. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Al-Sijzi is the 356th most popular mathematician (up from 418th in 2019), the 71st most popular biography from Afghanistan (up from 78th in 2019) and the 2nd most popular Afghan Mathematician.

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Among MATHEMATICIANS

Among mathematicians, Al-Sijzi ranks 356 out of 1,004. Before him are Andreas Osiander, Johannes Widmann, Kiyosi Itô, Abraham bar Hiyya, Liu Xin, and Caspar Wessel. After him are Paul Neményi, Nicholas Mercator, Francesco Maurolico, John Edensor Littlewood, George Peacock, and John Graunt.

Most Popular Mathematicians in Wikipedia

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Andreas Osiander
1498 - 1552
HPI: 63.45
Rank: 350
Johannes Widmann
1460 - 1505
HPI: 63.44
Rank: 351
Kiyosi Itô
1915 - 2008
HPI: 63.43
Rank: 352
Abraham bar Hiyya
1070 - 1145
HPI: 63.41
Rank: 353
Liu Xin
50 BC - 23
HPI: 63.40
Rank: 354
Caspar Wessel
1745 - 1818
HPI: 63.37
Rank: 355
Al-Sijzi
945 - 1020
HPI: 63.37
Rank: 356
Paul Neményi
1895 - 1952
HPI: 63.34
Rank: 357
Nicholas Mercator
1620 - 1687
HPI: 63.32
Rank: 358
Francesco Maurolico
1494 - 1575
HPI: 63.32
Rank: 359
John Edensor Littlewood
1885 - 1977
HPI: 63.27
Rank: 360
George Peacock
1791 - 1858
HPI: 63.23
Rank: 361
John Graunt
1620 - 1674
HPI: 63.17
Rank: 362

Contemporaries

Among people born in 945, Al-Sijzi ranks 4. Before him are Eric the Victorious, Al-Maqdisi, and Adelaide-Blanche of Anjou. After him are Otto, Duke of Burgundy, and Abbo of Fleury. Among people deceased in 1020, Al-Sijzi ranks 3. Before him are Leif Erikson, and Ferdowsi. After him are Abhinavagupta, Manuel Erotikos Komnenos, Åsta Gudbrandsdatter, Melus of Bari, Trdat, Malusha, Gagik I of Armenia, and Ælfric of Eynsham.

Others Born in 945

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Eric the Victorious
POLITICIAN
945 - 995
HPI: 71.89
Rank: 1
Al-Maqdisi
POLITICIAN
945 - 1000
HPI: 70.68
Rank: 2
Adelaide-Blanche of Anjou
POLITICIAN
945 - 1026
HPI: 64.34
Rank: 3
Al-Sijzi
MATHEMATICIAN
945 - 1020
HPI: 63.37
Rank: 4
Otto, Duke of Burgundy
POLITICIAN
945 - 965
HPI: 62.85
Rank: 5
Abbo of Fleury
RELIGIOUS FIGURE
945 - 1004
HPI: 62.75
Rank: 6

Others Deceased in 1020

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Leif Erikson
EXPLORER
970 - 1020
HPI: 88.25
Rank: 1
Ferdowsi
WRITER
940 - 1020
HPI: 77.11
Rank: 2
Al-Sijzi
MATHEMATICIAN
945 - 1020
HPI: 63.37
Rank: 3
Abhinavagupta
PHILOSOPHER
950 - 1020
HPI: 62.07
Rank: 4
Manuel Erotikos Komnenos
MILITARY PERSONNEL
901 - 1020
HPI: 61.66
Rank: 5
Åsta Gudbrandsdatter
POLITICIAN
970 - 1020
HPI: 60.04
Rank: 6
Melus of Bari
NOBLEMAN
1000 - 1020
HPI: 60.00
Rank: 7
Trdat
ARCHITECT
950 - 1020
HPI: 59.91
Rank: 8
Malusha
POLITICIAN
HPI: 59.41
Rank: 9
Gagik I of Armenia
POLITICIAN
989 - 1020
HPI: 58.85
Rank: 10
Ælfric of Eynsham
WRITER
955 - 1020
HPI: 55.67
Rank: 11