ಅರ್ಥ : 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).
ಸಮಾನಾರ್ಥಕ : al-hasan ibn al-haytham, alhacen, alhazen, ibn al-haytham