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.
Al Biruni was made court astrologer in Ghazni and he accompanied with Mahmud on his invasions on India. He lived for several years here and is considered to be first Indologist.