He died on 20 April 1975 in Karachi. After his death, the Pakistan Post issued a commemorative postage stamp in his honor in its series, 'Men of Letters', on 20 April 2003.[1] One of his memorable speeches was to welcome Muhammad Ali Jinnah to an event. Professor Haleem reportedly said,"Mr. Jinnah, we are teaching history and you are making it."[2]