Muhammad ibn Musa al-Khwarizmi

9th-century Persian mathematician and astronomer

  • Fame82.0
  • Momentum5.2
  • Academics rank#37
Source-basedFalling
  • Fame82.0
  • Momentum5.2
  • Academics rank#37
  • Wikipedia82.3K
Lived 780–850, aged 70
AcademicsAcademic
  • Wikipedia
    151 languages
    Cross-language footprint
  • Era
    780–850
    Aged 70
Summary
Updated 2026-08-14

His name became the word "algorithm." Working at Baghdad's House of Wisdom around 820, al-Khwarizmi wrote the treatise that gave us "algebra" and taught Europe the decimal system — geometry, equations, and Indian numerals rewritten as independent disciplines.

Biography

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Few details survive about al-Khwarizmi's life (c. 780–850), but his output during the Islamic Golden Age reshaped mathematics. Between 813 and 833, he compiled Al-Jabr, the first systematic treatment of linear and quadratic equations, demonstrating solutions by completing the square with geometric proof. By treating algebra as its own field and formalizing "reduction" and "balancing" — moving terms across the equals sign, canceling like quantities — he earned the title founder of algebra; the English word comes from his book's shorthand title, al-jabr, "completion." His textbook on Indian arit…

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Fame
Falling
82.0
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum5.2
Historical27.0
Now attention2.8
Source confidence60.0
Completeness60.0
Global rank
Country rank
Category rank
#37
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