Omar Khayyam , byname of Ghiyāth al-Dīn Abū al-Fatḥ ʿUmar ibn Ibrāhīm al-Neyshābūrī al-Khayyāmī, (born May 18, 1048, Neyshābūr, Khorāsān—died Dec. 4, 1131, Neyshābūr), Persian poet, mathematician, and astronomer. Educated in the sciences and philosophy, he was renowned in his country and time for his scientific achievements, but few of his prose writings survive. His verses attracted little attention until his robāʿīyāt (“quatrains”) were loosely translated into English by Edward FitzGerald and published in 1859. Many of the quatrains (each of which was intended as an independent poem) are of doubtful attribution; most scholars agree on the authenticity of about 50, with controversy over some 200 others.
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