Originally Posted by Ainuddin Kibzai

6. Umer Khayyam

LIFE :
Place of birth : Khurasan
Year of birth : 1044 A.D.
Year of death : 1123 A.D.

FIELDS :
i. Poetry
ii. Astronomy
iii. Mathematics
iv. Astrology
v. Physics

ACHIEVEMENTS :

i. First one to prove binomial theorem
ii. Classified algebric equations
iii. Introduced the Jalali Calendar
iv. Recognized 13 forms of cubic eqautions
v. Developed accurate method for the determination of specific gravity

WORKS :
i. " De Aspectabus " --- Geometrical and physiological optics
ii. " Al-Tareekh al-Jalali "
iii. " Risala-dar Wajud " --- Metaphysics
iv. " Noroz-nama"v. " Rubaiyat " --- Poetry and figures of Sufism