Omar Khayyam was a Persian polymath, mathematician, philosopher, astronomer, and poet. In the field of mathematics, he is best known for his work on the classification and solution of cubic equations. As an astronomer, he designed a solar calendar known as the Jalali calendar. His philosophical attitude towards life had elements of pessimism, nihilism, Epicureanism, and fatalism.
Shams Tabrizi was a Persian poet best remembered for playing an important role in the life of the popular poet and scholar, Rumi. Having served as a spiritual instructor of Rumi, Tabrizi is referenced with reverence in many of Rumi's poetic collection. An important historical figure in Iran, Tabrizi's tomb has been nominated as a World Heritage Site by UNESCO.
11 Ahmad Shamlu
Iranian philosopher Abdolkarim Soroush, a former professor of the University of Tehran and the Imam Khomeini International University, has also taught at top-notch institutes such as Harvard and Princeton. Named to Time 100, he believes in a reformist version of Islam, with its core values intact.