Ab Al al-asan ibn al-asan ibn al-Haytham (Arabic: , Latinized: Alhacen or (deprecated)[4] Alhazen) (965 in Basra c. 1040 in Cairo) was a Muslim[5] scientist and polymath described in various sources as either Arab or Persian.[6][7][8][9][7][10] Alhazen made significant contributions to the principles of optics, as well as to physics, astronomy, mathematics, ophthalmology, philosophy, visual perception, and to the scientific method. He also wrote insightful commentaries on works by Aristotle, Ptolemy, and the Greek mathematician Euclid.[11]
He is frequently referred to as Ibn al-Haytham, and sometimes as al-Basri (Arabic: ), after his birthplace in the city of Basra.[12] He was also nicknamed Ptolemaeus Secundus ("Ptolemy the Second")[13] or simply "The Physicist"[14] in medieval Europe.
Born circa 965, in Basra, present-day Iraq, he lived mainly in Cairo, Egypt, dying there at age 74.[13] According to one version of his biography, overconfident about practical application of h ...more

Source: wiki