(FILES) In this file photo taken on September 19, 2013, theoretical physicist Stephen Hawking poses during a photo call for a gala screening of the documentary 'Hawking', a film about the scientist's life, at the opening night of the Cambridge Film Festival in Cambridge, eastern England. (FILES) In this file photo taken on December 09, 2014 British actors Felicity Jones (L) and Eddie Redmayne (R) pose with British scientist Stephen Hawking (C) at the UK premiere of the film 'The Theory of Everything' in London on December 9, 2014. The film is based on the memoir Travelling to Infinity: My Life with Stephen, by Jane Hawking, and stars Eddie Redmayne protraying the renowned astrophysicist Stephen Hawking. / AFP PHOTO / ANDREW COWIE