Omar Khayyam

Omar Khayyam (18 May 1048 – 4 December 1131) was a Persian mathematician, astronomer, and poet.[3][4] He was born in Nishapur, in northeastern Iran, and spent most of his life near the court of the Karakhanid and Seljuq rulers in the period which witnessed the First Crusade.)
Category:Last Name Khayyam
Category:Born 1048
Category:Died 1131