King told us he liked Oppenheimer, say Christopher Nolan and Emma Thomas

Get the free Morning Headlines email for news from our reporters across the world Sign up to our free Morning Headlines email Sign up to our free Morning Headlines email SIGN UP I would like to be emailed about offers, events and updates from The Independent. Discussing their conversation with Charles, Nolan, 54, told the PA news agency: “It was very nice that he knew our work and was aware of it, and, yes, he was hoping that I would take this as encouragement to do more of it.” Speaking at Buckingham Palace, Thomas, 53, added: “He’d seen Oppenheimer, and he liked it, so that was very gratifying to hear.” The biopic of American theoretical physicist J Robert Oppenheimer, director of the Los Alamos Laboratory that developed the atomic bomb during the Second World War, marked the first time the couple had won the best picture Oscar and best film Bafta. Thomas said: “What I was really thrilled by is the fact that I’ve heard anecdotally since about lots of younger people having their first experience of this story on the big screen, and then delving deeper and doing more of their own research into the events that we portrayed.” The couple, who have four children, met while studying at University College London, with Nolan introducing Thomas to the university’s film society, where he was president and produced short films. Nolan said his partnership with Thomas had been “incredibly important”, adding they had been able to “achieve so much more together than we would have been able to individually”. “As the world around you gets bigger, that core partnership in the middle of it becomes even more important.” It's a unique modern art form - it's only a little over 100 years old, and we're just beginning to feel all the things that could be done with it Christopher Nolan Asked about reports that he does not use a smartphone, Nolan said: “I’d encourage other people to put down the smartphone.