Abu Hamid Ibn Muhammad Ibn Muhammad al-Tusi al-Shafi 'i Al-Ghazali was born in 1058 A.D. in Khorasan, Iran. His father died while he was still very young but he had the opportunity of getting education at Nishapur and Baghdad. Soon he acquired a high standard of scholarship in religion and philosophy and was honored by his appointment as a Professor at the Nizamiyah University of Baghdad, which was recognized as one of the most reputed institutions of learning in the golden era of Muslim history. After a few years, however, he gave up his academic pursuits and worldly interests and became a wandering ascetic. This was a process of mystical transformation. Later, he resumed his teaching duties, but again left these. An era of solitary life, devoted to contemplation and writing then ensued, which led to the author- ship of a number of everlasting books. He died in 1111 A.D. at Baghdad. Ghazali 's major contribution lies in religion, philosophy and Sufism. He was a prolific writer. His immortal books include Tuhafut al-Falasifa (The Incoherence of the Philosophers), Ihya al- 'Ulum al-Islamia (The Rivival of the Religious Sciences), "The Beginning of Guidance and his Autobiography", "Deliverance from Error". Some of his works were translated into European languages in the middle Ages. He also wrote a summary of astronomy. No record of Al-Ghazali 's political hypothesis would be finished without keeping in perspective the states of the Muslim World in his times. A few elements