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Noun: Al-Hasan ibn al-Haytham
  1. An Egyptian polymath (born in Iraq) whose research in geometry and optics was influential into the 17th century; established experiments as the norm of proof in physics (died in 1040)
    - Alhazen, Alhacen, al-Haytham, Ibn al-Haytham

Type of: astronomer, mathematician, physicist, stargazer, uranologist

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