Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 29. Chapters: J bir ibn Hayy n, Alhazen, Ahmed Zewail, Abd al-Latif al-Baghdadi, Ibn al-Nafis, Al-Kindi, Taqi al-Din Muhammad ibn Ma'ruf, List of Arab scientists and scholars, Muhammad al-Idrisi, Samir Amin, Rashad Khalifa, Essam E. Khalil, Fawzia Fahim, Al-Mawardi, Ahmed Gaffer Hegazi, Ahmad ibn M jid, Faten Zahran Mohammed, Suhad Bahajri, Ned Xoubi, Mohamed Sanad, Ibn Abi Usaibia, Ibn Al-Thahabi, Gamal Hemdan, Ibn Hubal, Harbi al-Himyari. Excerpt: (Arabic:, Persian:, Latinized: Alhacen or (deprecated) Alhazen) (965 in Basra - c. 1040 in Cairo) was a Persian scientist and polymath. Some sources state that he was an Arab. He is frequently referred to as Ibn al-Haytham, and sometimes as al-Basri (Arabic: ), after his birthplace in the city of Basra. 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 was also nicknamed Ptolemaeus Secundus ("Ptolemy the Second") or simply "The Physicist" in medieval Europe. Alhazen wrote insightful commentaries on works by Aristotle, Ptolemy, and the Greek mathematician Euclid. Born circa 965, in Basra, Iraq, he lived mainly in Cairo, Egypt, dying there at age 76. Over-confident about practical application of his mathematical knowledge, he assumed that he could regulate the floods of the Nile. After being ordered by Al-Hakim bi-Amr Allah, the sixth ruler of the Fatimid caliphate, to carry out this operation, he quickly perceived the impossibility of what he was attempting to do, and retired from engineering. Fearing for his life, he feigned madness and was placed under house arrest, during and after which he devoted himself to his scientific work until his death. Alhazen, the great Islamic polymath.Alhazen was...