Born: 980 in Kharmaithen (near Bukhara), Central Asia (now Uzbekistan).
Died: June 1037 in Hamadan, Persia (now Iran).
Ibn Sina or Avicenna was the most influential of all Islamic philosopher - scientists. He wrote on medicine as well as geometry, astronomy, arithmetic and music. Ibn Sina`s two most important works are The Book of Healing and The Canon of Medicine. The first is a scientific encyclopaedia covering logic, natural sciences, psychology, geometry, astronomy, arithmetic and music. The second is the most famous single book in the history of medicine.