Abu'l Hasan Yamīn ud-Dīn Khusrau, better known as Amīr Khusrau, sometimes spelled as Amir Khusrow or Amir Khusro, was an Indo-Persian Sufi singer, musician, court poet and scholar, who lived during the period of the Delhi Sultanate. 1253 – October 5, 1325; died at about 72. Alive at the same time as Marco Polo, Thomas Aquinas, Kublai Khan, William of Ockham, and Giotto. Wiki link