Summary Ibn Al-Haytham (known in the west as Alhazen) which is considered to be the greatest Muslim doctor and one of the greatest researches of optics for all times. Al Haytham is born in city Basra and immigrated to Egypt during reign of Caliph Al Hakim. He is quoted as excellent astronomer, mathematician and doctor as well as one of the best commentators of the Galen and Aristotle’s...

Civilizations change when the paradigms that govern them change. Humans relate to themselves and to each other through transcendental values firmly imbedded in basic frameworks. These values define how a society looks upon itself, how it interacts with other societies and its place in history. For instance, in the Middle Ages, most people believed that the earth was flat. The paradigm of a flat...

Three men of giant stature dominated Islamic history in the 10th century. These were Abdur Rahman III of Spain, Muiz of Egypt and Mahmud of Ghazna. The first two determined the flow of historical events in the Mediterranean region, whereas Mahmud of Ghazna had a decisive impact on Central Asia and the Indo-Pakistan subcontinent. Abdur Rahman III was the ablest and most accomplished of the...

Genghiz Khan died in 1227. Upon his death, his vast empire was divided up into five parts: (1) Mongolistan consisting of the Mongol home turf, (2) Chagtai, consisting of Khorasan and Farghana Valley, (3) Persia, ruled by the Il-Khans, (4) Russia and Kazakhstan, ruled by the Golden Hordes and (5) China. The Mongols continued their advance after Genghiz. In 1229, they planned three great...

For a brief moment, towards the end of the 12th century, the Muslim world was politically united under one caliph ruling from Baghdad. This political unity, rare in Islamic history, projected itself on the military plane. In West Asia, the Crusaders were ejected from Palestine, Lebanon and Syria. Salahuddin recaptured Jerusalem in 1187. Four years later, in 1191, Muhammed Ghori of Ghazna...