Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 222. Not illustrated. Chapters: Geber, Alhazen, Averroes, Ibn Al-Nafis, Al-Kindi, Taqi Al-Din Muhammad Ibn Ma'ruf, Brethren of Purity, Ibn Bajjah, Ibn Tufail, Nader El-Bizri, Ibn Hazm, Ibn Arabi, Abu Al-Hasan Al-Ash'ari, Al-Ma'arri, Rifa'a El-Tahtawi, Sadiq Jalal Al-Azm, Abdel Wahab Elmessiri, Zaki Naguib Mahmoud, Youssef Seddik, Nasif Al-Yaziji, Suhad Bahajri, Suzy Kassem, Muhammad Al-Fazari, Jamil Sidqi Al-Zahawi, Nur Ad-Din Al-Betrugi, Ibrahim Al-Yazigi, Al-Mawardi, Hanna Al-Fakhoury, Abu Yaqub Sijistani, Al-Jubba'i. Excerpt: (Arabic: , Persian: , Latinized: Alhacen or (deprecated) Alhazen) (965 in Basra - c. 1039 in Cairo) was an Arab or Persian scientist and polymath. He made significant contributions to the principles of optics, as well as to physics, anatomy, astronomy, engineering, mathematics, medicine, ophthalmology, philosophy, psychology, visual perception, and to science in general with his early application of the scientific method. He is sometimes called al-Basri (Arabic: ), after his birthplace in the city of Basra. He was also nicknamed Ptolemaeus Secundus ("Ptolemy the Second") or simply "The Physicist" in medieval Europe. Born circa 965, in Basra, Iraq and part of Buyid Persia at that time, 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. Ibn al-Haytham is regarded as the "father of modern optics" for hi...