MATHEMATICIAN

Al-Karaji

953 - 1029

Photo of Al-Karaji

Icon of person 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.

Memorability Metrics

Loading...

Page views of Al-Karaji by language

Loading...

Among MATHEMATICIANS

Among mathematicians, Al-Karaji ranks 288 out of 1,004Before 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 Rankings

Contemporaries

Among people born in 953, Al-Karaji ranks 3Before 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 2Before him is Haakon Ericsson. After him are Queen Heonae, García Sánchez of Castile, and Kushyar Gilani.

Others Born in 953

Go to all Rankings

Others Deceased in 1029

Go to all Rankings

In Iran

Among people born in Iran, Al-Karaji ranks 185 out of 631Before 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 Rankings

Among MATHEMATICIANS In Iran

Among mathematicians born in Iran, Al-Karaji ranks 8Before 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).