Al-Karaji

Abū Bakr Muḥammad ibn al Ḥasan al-Karajī was a 10th-century Persian mathematician and engineer who flourished at Baghdad. He was born in Karaj, a city near Tehran. His three principal surviving works are mathematical: Al-Badi' fi'l-hisab, Al-Fakhri fi'l-jabr wa'l-muqabala, and Al-Kafi fi'l-hisab.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

• Al-Karaji was born 3 years after Ibn Yunus
• Al-Karaji was born 7 years before Abu Nasr Mansur
• Al-Karaji was born 8 years after Abbo of Fleury
• Al-Karaji was born 8 years before Abu Mansur al-Baghdadi
• Al-Karaji was born 13 years after Abu al-Wafa Buzjani

Timeline

1. Abu al-Wafa BuzjaniJune 10, AD 940 – July 15, AD 998
2. Abbo of Fleurycirca AD 945 – November 13, 1004
3. Ibn Yunuscirca AD 950 – AD 958
4. Al-Karaji (this page)April 13, AD 953 – circa 1029
5. Abu Nasr Mansurcirca AD 960 – 1036
6. Abu Mansur al-Baghdadicirca AD 961 – 1037

Related

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• Johann Wolfgang von GoetheAugust 28, 1749 – March 22, 1832
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• Marie CurieNovember 7, 1867 – July 4, 1934
• Nicolaus CopernicusFebruary 19, 1473 – May 24, 1543
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• Gottfried Wilhelm LeibnizJune 21, 1646 – November 14, 1716