Abu Ali Sina (Avicenna), Father of the Modern MedicineHis most famous works are The Book of Healing, a vast philosophical and scientific encyclopaedia, and The Canon of Medicine, which was a standard medical text at many medieval universities. The Canon of Medicine was used as a text-book in the universities of Montpellier and Leuven as late as 1650. Ibn Sīnā's Canon of Medicine provides a complete system of medicine according to the principles of Galen (and Hippocrates).
So who was the one known to the West as: AlHazen. . . Well, He was a Muslim scientist, polymath, mathematician,astronomer and philosopher, described in various sources as Arab and Persian. He made significant contributions to the principles of optics, as well as to astronomy,mathematics, visual perception, and to the scientific method.
The Muslim astronomers corrected the many mistakes Ptolemy had made. They improved the study of astronomy with the help of the astrolabe that could determine many pieces of information such as latitude, time, position and movement. Many of these Islamic ideas were also found in Western Europe. Bryan
Ibn Tufail (c. 1105 – 1185) "...an Andalusian Muslim polymath: a writer, novelist, Islamic philosopher, Islamic theologian, physician, vizier, and court official....As a philosopher and novelist, he is most famous for writing the first philosophical novel, Hayy ibn Yaqdhan, also known as Philosophus Autodidactus in the Western world. As a physician, he was an early supporter of dissection and autopsy, which was expressed in his novel." [Wikipedia]