Frank Close is the author of the award winning Half-Life, a biography of Bruno Pontecorvo, Antimatter, The Infinity Puzzle and Very Short Introductions to Nothing and Particle Physics. He is Professor of Physics at Oxford University and a former Head of Communications and Public Education at CERN. In 2014 he was awarded the Michael Faraday Award of the Royal Society for science communication, and is the only scientist to have won an Association of British Science Writers' Prize on three occasions.