ʼUmar Khayyām

(c. 1048—1131)

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(died 1123 or 1132)

Persian poet and mathematician born at Nishāpūr in Khurāsān, ʼUmar Khayyām became the official astronomer of the Seljuk sultan Malik-Shāh. He is known mainly for his ...

Subjects: Medieval and Renaissance History (500 to 1500).

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