Omar Khayyam

Omar Khayyám ; born Ghiyāth ad-Dīn Abu'l-Fatḥ ʿUmar ibn Ibrāhīm al-Khayyām Nīshāpūrī (/ˈoʊmɑːr kaɪˈjɑːm, -ˈjæm, ˈoʊmər/; Persian:غیاث‌الدین ابوالفتح عمر ابراهیم خیام نیشابورﻯ‎‎, pronounced [xæjˈjɒːm]; 18 May 1048 – 4 December 1131), was a Persian mathematician, astronomer, philosopher, and poet, who is widely considered to be one of the most influential scientists of the middle ages. He wrote numerous treatises on mechanics, geography, mineralogy and astronomy.