In popular science books, including 'Seven Brief Lessons on Physics' and 'Reality Is Not What It Seems', the Italian theoretical physicist Carlo Rovelli has studied the phenomena – namely time and space – that structure our very existence. In doing so, he has become something of a phenomenon himself, praised for his charm, clarity and humour – things we might not immediately associate with the field of quantum gravity. Here, the TLS's Samuel Graydon asks him about his new book The Order of Time
