Omar Khayyam portrait, flat vector illustration

omar, khayyam, poet, persian, philosopher, mathematician, astronomer, poetry, rubaiyat, quatrains, literature, science, algebra, geometry, calendar, history, iran, medieval, scholar, wisdom, fate, destiny, life, time, universe, knowledge, intellect, culture, heritage, writing, verses, mysticism, philosophy, numbers, equations, observation, stars, cosmos, legacy