MATHEMATICIAN
Al-Karaji
953 - 1029

Al-Karaji
Abū Bakr Muḥammad ibn al Ḥasan al-Karajī (Persian: ابو بکر محمد بن الحسن الکرجی; c. 953 – c. 1029) was a 10th-century Persian mathematician and engineer who flourished at Baghdad. He was born in Karaj, a city near Tehran. Read more on Wikipedia
His biography is available in different languages on Wikipedia. Al-Karaji is the 288th most popular mathematician (down from 198th in 2019), the 185th most popular biography from Iran (down from 155th in 2019) and the 8th most popular Iranian Mathematician.
Al-Karaji was a mathematician and astronomer from the 11th century who is most famous for his contributions to algebra, including the introduction of the concept of the unknown.
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Among MATHEMATICIANS
Among mathematicians, Al-Karaji ranks 288 out of 1,004. Before him are Jacques Charles François Sturm, Jacopo Riccati, Sharaf al-Dīn al-Ṭūsī, S. R. Ranganathan, Gemma Frisius, and Seki Takakazu. After him are Atle Selberg, John G. Thompson, Edmund Landau, Hugo Steinhaus, Pierre Deligne, and Adolf Hurwitz.
Most Popular Mathematicians in Wikipedia
Go to all RankingsJacques Charles François Sturm
1803 - 1855
HPI: 65.29
Rank: 282
Jacopo Riccati
1676 - 1754
HPI: 65.29
Rank: 283
Sharaf al-Dīn al-Ṭūsī
1135 - 1213
HPI: 65.24
Rank: 284
S. R. Ranganathan
1892 - 1972
HPI: 65.18
Rank: 285
Gemma Frisius
1508 - 1555
HPI: 65.13
Rank: 286
Seki Takakazu
1642 - 1708
HPI: 65.04
Rank: 287
Al-Karaji
953 - 1029
HPI: 64.99
Rank: 288
Atle Selberg
1917 - 2007
HPI: 64.97
Rank: 289
John G. Thompson
1932 - Present
HPI: 64.88
Rank: 290
Edmund Landau
1877 - 1938
HPI: 64.87
Rank: 291
Hugo Steinhaus
1887 - 1972
HPI: 64.86
Rank: 292
Pierre Deligne
1944 - Present
HPI: 64.78
Rank: 293
Adolf Hurwitz
1859 - 1919
HPI: 64.77
Rank: 294
Contemporaries
Among people born in 953, Al-Karaji ranks 3. Before him are Bermudo II of León, and Charles, Duke of Lower Lorraine. After him is Guo Zongxun. Among people deceased in 1029, Al-Karaji ranks 2. Before him is Haakon Ericsson. After him are Queen Heonae, García Sánchez of Castile, and Kushyar Gilani.
Others Born in 953
Go to all RankingsBermudo II of León
POLITICIAN
953 - 999
HPI: 66.22
Rank: 1
Charles, Duke of Lower Lorraine
NOBLEMAN
953 - 993
HPI: 65.55
Rank: 2
Al-Karaji
MATHEMATICIAN
953 - 1029
HPI: 64.99
Rank: 3
Guo Zongxun
POLITICIAN
953 - 973
HPI: 60.73
Rank: 4
Others Deceased in 1029
Go to all RankingsHaakon Ericsson
POLITICIAN
995 - 1029
HPI: 65.62
Rank: 1
Al-Karaji
MATHEMATICIAN
953 - 1029
HPI: 64.99
Rank: 2
Queen Heonae
POLITICIAN
964 - 1029
HPI: 62.42
Rank: 3
García Sánchez of Castile
NOBLEMAN
1009 - 1029
HPI: 59.49
Rank: 4
Kushyar Gilani
MATHEMATICIAN
971 - 1029
HPI: 58.56
Rank: 5
In Iran
Among people born in Iran, Al-Karaji ranks 185 out of 631. Before him are Sharaf al-Dīn al-Ṭūsī (1135), Shaykh Tusi (995), Shapour Bakhtiar (1914), Mehdi Bazargan (1907), Hussein-Ali Montazeri (1922), and Timur Shah Durrani (1748). After him are Ahmad ibn Rustah (null), Forough Farrokhzad (1935), Barbara (null), Al-Baydawi (1201), Arsames (-550), and Abdullah Mirza (1433).
Others born in Iran
Go to all RankingsSharaf al-Dīn al-Ṭūsī
MATHEMATICIAN
1135 - 1213
HPI: 65.24
Rank: 179
Shaykh Tusi
RELIGIOUS FIGURE
995 - 1067
HPI: 65.23
Rank: 180
Shapour Bakhtiar
POLITICIAN
1914 - 1991
HPI: 65.16
Rank: 181
Mehdi Bazargan
POLITICIAN
1907 - 1995
HPI: 65.13
Rank: 182
Hussein-Ali Montazeri
POLITICIAN
1922 - 2009
HPI: 65.11
Rank: 183
Timur Shah Durrani
POLITICIAN
1748 - 1793
HPI: 65.02
Rank: 184
Al-Karaji
MATHEMATICIAN
953 - 1029
HPI: 64.99
Rank: 185
Ahmad ibn Rustah
EXPLORER
HPI: 64.96
Rank: 186
Forough Farrokhzad
WRITER
1935 - 1967
HPI: 64.95
Rank: 187
Barbara
ATHLETE
HPI: 64.95
Rank: 188
Al-Baydawi
PHILOSOPHER
1201 - Present
HPI: 64.85
Rank: 189
Arsames
POLITICIAN
550 BC - 600 BC
HPI: 64.82
Rank: 190
Abdullah Mirza
POLITICIAN
1433 - 1451
HPI: 64.55
Rank: 191
Among MATHEMATICIANS In Iran
Among mathematicians born in Iran, Al-Karaji ranks 8. Before him are Abu al-Wafa' Buzjani (940), Qutb al-Din al-Shirazi (1236), Abu Nasr Mansur (960), Abū Sahl al-Qūhī (940), Al-Khazini (1077), and Sharaf al-Dīn al-Ṭūsī (1135). After him are Maryam Mirzakhani (1977), Al-Mahani (820), Kamāl al-Dīn al-Fārisī (1265), Al-Nayrizi (865), Athir al-Din al-Abhari (1200), and Al-Birjandi (null).
Abu al-Wafa' Buzjani
940 - 998
HPI: 72.26
Rank: 2
Qutb al-Din al-Shirazi
1236 - 1311
HPI: 67.04
Rank: 3
Abu Nasr Mansur
960 - 1036
HPI: 66.50
Rank: 4
Abū Sahl al-Qūhī
940 - 1000
HPI: 66.26
Rank: 5
Al-Khazini
1077 - 1155
HPI: 65.89
Rank: 6
Sharaf al-Dīn al-Ṭūsī
1135 - 1213
HPI: 65.24
Rank: 7
Al-Karaji
953 - 1029
HPI: 64.99
Rank: 8
Maryam Mirzakhani
1977 - 2017
HPI: 61.82
Rank: 9
Al-Mahani
820 - 880
HPI: 61.71
Rank: 10
Kamāl al-Dīn al-Fārisī
1265 - 1318
HPI: 61.61
Rank: 11
Al-Nayrizi
865 - 922
HPI: 59.70
Rank: 12
Athir al-Din al-Abhari
1200 - 1264
HPI: 59.66
Rank: 13
Al-Birjandi
HPI: 58.65
Rank: 14