Omar Khayyám (May 18, 1048 – December 4, 1131, in Persian عمر خیام), was born in Nishapur, Persia (Iran). He was originally named Ghiyath al-Din Abu'l-Fath Omar ibn Ibrahim Al-Nisaburi Khayyámi (غياث الدين ابو الفتح عمر بن ابراهيم خيام نيشابوري). Khayyám (خیام) was a mathematician, astronomer, and writer. He is most known for the collection of poetry, the Rubaiyat of Omar Khayyam.
Omar Khayam's tomb, Neishapur, Iran.