Firdausi was a persian poet and the author of Shahnameh also known as “Book of Kings”, which is one of the world’s longest epic and the national epic of Greater Iran.
Shaikh Hasan was another prominent Sufi saint of the Suhrawardi order, who lived during the 16th and 17th centuries in Lahore in present-day Pakistan. Before joining the Suhrawardi order he lived in the ‘company of yogi Gorakhnath.