945 - 1020
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. Read more on Wikipedia
Since 2007, the English Wikipedia page of Al-Sijzi has received more than 73,805 page views. His biography is available in 15 different languages on Wikipedia. Al-Sijzi is the 430th most popular mathematician (up from 443rd in 2019), the 78th most popular biography from Afghanistan (down from 62nd in 2019) and the 2nd most popular Afghan Mathematician.
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Among mathematicians, Al-Sijzi ranks 430 out of 823. Before him are Mihailo Petrović, Johann II Bernoulli, Nicomedes, Dinostratus, Hermann Bondi, and Ismaël Bullialdus. After him are Hans Freudenthal, Ibn al-Banna' al-Marrakushi, Thomas Wright, Johann Samuel König, Pierre François Verhulst, and Klaus Roth.
1868 - 1943
HPI: 52.40
Rank: 424
1710 - 1790
HPI: 52.40
Rank: 425
280 BC - 210 BC
HPI: 52.40
Rank: 426
390 BC - 320 BC
HPI: 52.38
Rank: 427
1919 - 2005
HPI: 52.29
Rank: 428
1605 - 1694
HPI: 52.28
Rank: 429
945 - 1020
HPI: 52.28
Rank: 430
1905 - 1990
HPI: 52.27
Rank: 431
1256 - 1321
HPI: 52.26
Rank: 432
1711 - 1786
HPI: 52.24
Rank: 433
1712 - 1757
HPI: 52.19
Rank: 434
1804 - 1849
HPI: 52.18
Rank: 435
1925 - 2015
HPI: 52.17
Rank: 436
Among people born in 945, Al-Sijzi ranks 6. Before him are Eric the Victorious, Al-Maqdisi, Abbo of Fleury, Otto, Duke of Burgundy, and Adelaide-Blanche of Anjou. Among people deceased in 1020, Al-Sijzi ranks 5. Before him are Leif Erikson, Ferdowsi, Abhinavagupta, and Manuel Erotikos Komnenos. After him are Trdat, Malusha, Melus of Bari, Gagik I of Armenia, Åsta Gudbrandsdatter, and Ælfric of Eynsham.
945 - 995
HPI: 65.22
Rank: 1
945 - 1000
HPI: 59.96
Rank: 2
945 - 1004
HPI: 56.08
Rank: 3
945 - 965
HPI: 54.54
Rank: 4
945 - 1026
HPI: 52.56
Rank: 5
945 - 1020
HPI: 52.28
Rank: 6
970 - 1020
HPI: 74.54
Rank: 1
940 - 1020
HPI: 72.24
Rank: 2
950 - 1020
HPI: 56.92
Rank: 3
901 - 1020
HPI: 53.36
Rank: 4
945 - 1020
HPI: 52.28
Rank: 5
950 - 1020
HPI: 52.15
Rank: 6
HPI: 51.92
Rank: 7
1000 - 1020
HPI: 51.64
Rank: 8
989 - 1020
HPI: 49.74
Rank: 9
970 - 1020
HPI: 48.34
Rank: 10
955 - 1020
HPI: 46.16
Rank: 11
Among people born in Afghanistan, Al-Sijzi ranks 78 out of 145. Before him are Ahmad Zahir (1946), Mirwais Hotak (1673), Muhammad bin Bakhtiyar Khalji (1101), Afghan Girl (1972), Abdul Ahad Mohmand (1959), and Zalmay Khalilzad (1951). After him are Wazir Akbar Khan (1816), Heliocles I (-200), Demetrius I of Bactria (-300), Rabia Balkhi (1000), Amrullah Saleh (1972), and Gulbadan Begum (1523).
1946 - 1979
HPI: 54.13
Rank: 72
1673 - 1715
HPI: 53.61
Rank: 73
1101 - 1206
HPI: 52.67
Rank: 74
1972 - Present
HPI: 52.67
Rank: 75
1959 - Present
HPI: 52.56
Rank: 76
1951 - Present
HPI: 52.30
Rank: 77
945 - 1020
HPI: 52.28
Rank: 78
1816 - 1845
HPI: 51.94
Rank: 79
200 BC - 200 BC
HPI: 51.73
Rank: 80
300 BC - 180 BC
HPI: 51.67
Rank: 81
1000 - Present
HPI: 51.65
Rank: 82
1972 - Present
HPI: 51.11
Rank: 83
1523 - 1603
HPI: 50.80
Rank: 84
Among mathematicians born in Afghanistan, Al-Sijzi ranks 2. Before him are Abu Zayd al-Balkhi (850).