Philosopher and Arab physician, who was born in Baghdad in 1162 and died in 1231. He/She studied sciences in his native city, and travelled to Arabia, Egypt, and Asia minor. Saladin appointed him Professor of the great mosque of Damascus, with an increased pension. He/She is known particularly for the two works he/she wrote, important for the knowledge of ancient history and the geography of Egypt. One of these works, which Arab biographers have not kept more than the title, is a description of Egypt in thirteen books, and the other is titled in the original Arabic abbreviated relationship of the Egypt.