For a man whose time seems so precious, Christopher Nolan doesn’t give the impression of being in a hurry. There’s a measured elegance to his response to every question — ones that range from the deep to the absurd. Yet, every time he speaks, what you unequivocally take away from his words and his demeanour (once you’re accustomed to his quite-British wryness) is his unbridled passion for the art and craft of film and cinema; yes, the two mean different things.