J.K. ROWLING ON CROSSCURRENTS, 7/31: British author, film and television producer, screenwriter and philanthropist, creator of the critically acclaimed Harry Potter series, J.K. Rowling was born on this date in 1965. You do not need to wait on Platform 9 ¾ for the Hogwarts Express as you have a ticket for the Rowling party on Crosscurrents, 7/31 at 8 am.