Abu Ali al-Hussain Ibn Abdallah Ibn Sina was a Persian physician and philosopher. He was born in 980 A.D. at Afshana near Bukhara then capital of the Samanid Dynasty. The young Abu Ali received his early education in Bokhara, and by the age of ten had become well versed in the study of the Qoran and various sciences. He started studying philosophy by reading various Greek, Muslim and other books on this subject and learnt logic and some other subjects from Abu Abdallah Natili, a famous philosopher of the time. While still young, he attained such a degree of expertise in medicine that his renown spread far and wide. At the age of 17, he was fortunate in curing Nooh Ibn Mansour, the Samanid King, of an illness in which all the well-known physicians had given up hope. On his recovery, the King wished to reward him, but the young physician only desired permission to use his uniquely stocked library.
On his father's death, Bu Ali left Bokhara and travelled to Jurjan where Khawarazm Shah welcomed him. There, he met his famous contemporary Abu Raihan Al-Biruni. Later he moved to Ray and then to Hamadan, where he wrote his famous book Al-Qanun fi al-Tibb. Here he treated Shams al-Daulah, the King of Hamadan, for severe colic. From Hamadan, he moved to Esfahan, where he completed many of his monumental writings. Nevertheless, he continued travelling and the excessive mental exertion as well as political turmoil spoilt his health. Finally, he returned to Hamadan where he died in 1037 A.D.
He was the most famous physician, philosopher, encyclopaedist, mathematician and astronomer of his time. His major contribution to medical science was his famous book al-Qanun, known as the "Canon" in the West. The Qanun fi al-Tibb is an immense encyclo- paedia of medicine extending over a million words. It surveyed the entire medical knowledge available from ancient and Muslim sources. Due to its systematic approach, "formal perfection as well as its intrinsic value, the Qanun superseded Razi's Hawi, Ali Ibn Abbas's Maliki, and even the works of Galen, and remained supreme for six centuries". In addition to bringing together the then available knowledge, the book is rich with the author's original contribution. His important original contribution includes such advances as recognition of the contagious nature of phthisis and tuberculosis; distribution of diseases by water and soil, and interaction between psychology and health. In addition to describing pharmacological methods, the book described 760 drugs and became the most authentic materia medica of the era. He was also the first to describe meningitis and made rich contributions to anatomy, gynecology and child health.
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