Khayam

Omar Khayyám Omar Khayyám; born Ghiyāth ad-Dīn Abu'l-Fatḥ ʿUmar ibn Ibrāhīm al-Khayyām Nīshāpūrī (/ˈoʊmɑr kaɪˈjɑːm, -ˈjæm, ˈoʊmər/; Persian: ‏غیاث ‌الدین ابوالفتح عمر ابراهیم خیام نیشابورﻯ‎, pronounced [xæjˈjɒːm]; 18 May 1048 – 4 December 1131), was a Persian mathematician, astronomer, philosopher, and poet. He also wrote treatises on mechanics, geography, mineralogy, music, and Islamic theology.[3]