Cambridge professor pays tribute to Stephen Hawking

Professor Sir Alan Fersht has paid tribute to Professor Stephen Hawking, who has died at the age of 76. The world-renowned physicist was described by Master of the Gonville and Caius College, Cambridge, Professor Fersht, as “unique” and “immortal”. Report by Swinnertonl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn