Very few thinkers have influenced the history of West Africa as has the Algerian scholar Al Moghili who lived in the second half of the 15th century. Great ideas resonate through history much like the echo of drums between chains of mountains. Each reverberation provides fresh impetus for action. When ideas are implemented through great men and women, history is transformed and human...

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...