Ibn Rushd (European: Averroes), was a Muslim polymath; a master of Aristotelian philosophy, Islamic philosophy, logic, Arabic music theory, and the sciences of medicine, mathematics, physics and celestial mechanics. Reflecting the respect which medieval European scholars paid to him, Averroes is named by Dante in The Divine Comedy with the great pagan philosophers whose spirits dwell in "the place that favor owes to fame" in Limbo.
Saladin was a great Muslim warrior who made the history by defeating a huge army to win the Jerusalem. His laqab was Salah ad-Din. This great Muslim warrior was born in Mesopotamia in 1138 who is widely known among as the anti-hero to the Western people for his greatest victory of Jerusalem. Saladin left the world in 1193 after falling into a fever.
Alhazen is arguably the greatest of all of the medieval scientists, at least of the Arabic scientists. Alhazen was often called “Ptolemy the Second,” or, in medieval Western Europe, “The Physicist.” He is most well-known for his contributions to the science of optics, along with physical science and the further development of the scientific method.