## Omar Al-Khayyam## Iranian Muslim Philosopher## 1044-1123Ghiyath al-Din Abul Fateh Omar Ibn Ibrahim al-Khayyam was born at Nishapur, the provincial capital of Khurasan around 1044 A.D. (c. 1038 to 1048). Persian mathematician, astronomer, philosopher, physician and poet, he is commonly known as Omar Khayyam. Khayyam means the tent-maker, and although generally considered as Persian, it has also been suggested that he could have belonged to the Khayyami tribe of Arab origin who might have settled in Persia. Little is known about his early life, except for the fact that he was educated at Nishapur and lived there and at Samarqand for most of his life. He was a contemporary of Nidham al-Mulk Tusi. Contrary to the available opportunities, he did not like to be employed at the King's court and led a calm life devoted to search for knowledge. He travelled to the great centres of learning, Samarqand, Bukhara, Balkh and Isphahan in order to study further and exchange views with the scholars there. While at Samarqand he was patronised by a dignatory, Abu Tahir. He died at Nishapur in 1123-24. Algebra would seem to rank first among the fields to which he
contributed. He made an attempt to classify most algebraic equa-
tions, including the third degree equations and, in fact, offered
solutions for a number of them. 'This includes geometric' solutions
of cubic equations and partial geometric solutions of most other
equations. His book The Saljuq Sultan, Malikshah Jalal al-Din, called him to the new
observatory at Ray around 1074 and assigned him the task of
determining a correct solar calendar. This had become necessary in
view of the revenue collections and other administrative matters
that were to be performed at different times of the year. Khayyam
introduced a calendar that was remarkably accurate, and was named
as His contributions to other fields of science include a study of
generalities of Euclid, development of methods for the accurate
determination of specific gravity, etc. In metaphysics, he wrote
three books Apart from being a scientist, Khayyam was also a well-known
poet. In this capacity, he has become more popularly known in the
Western world since 1839, when Edward Fitzgerald published an
English translation of his Khayyam wrote a large number of books and monographs in the above areas. Out of these, 10 books and thirty monographs have been identified. Of these, four concern mathematics, three physics, three metaphysics, one algebra and one geometry. His influence on the development of mathematics in general and analytical geometry, in particular, has been immense. His work remained ahead of others for centuries till the times of Descartes, who applied the same geometrical approach in solving cubics. His fame as a mathematician has been partially eclipsed by his popularity as a poet; nonetheless his contribution as a philosopher and scientist has been of significant value in furthering the frontiers of human knowledge.
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