Omar Khayyam عمر خیّام
Umar Khayyam was a Persian polymath, scientist, philosopher, and poet of the 11th century CE.
Full Name: Ghiyāth al-Dīn Abū al-Fatḥ ʿUmar ibn Ibrāhīm Nīsābūrī
Arabic: عمر خیّام
Born: 1048 AD.
Origin: Nishapur, Khorasan, Persia.
Died: 1131 AD.
Famous for: Mathematics, Astronomy, Persian philosophy, and Persian poetry.
Contributions:
the classification and solution of cubic equations.
contributed to a deeper understanding of Euclid’s parallel axiom.
he calculated the duration of the solar year with remarkable precision and accuracy, and designed the Jalali calendar
Articles
https://plato.stanford.edu/entries/umar-khayyam/
https://en.wikipedia.org/wiki/Omar_Khayyam
https://www.britannica.com/biography/Omar-Khayyam-Persian-poet-and-astronomer