Frank Close, OBE, is Professor of Physics at Oxford University and a Fellow of Exeter College. He was formerly vice president of the British Association for Advancement of Science, Head of the Theoretical Physics Division at the Rutherford Appleton Laboratory, and Head of Communications and Public Education at CERN. He is the author of several books, including The Void (OUP, 2007) and the best-selling Lucifer's Legacy (OUP, 2000). He was the winner of the Kelvin Medal of the Institute of Physics for his 'outstanding contributions to the public understanding of physics'. His other books include Particle Physics: A Very Short Introduction (2004), The Cosmic Onion (1983), The Particle Explosion (1987), End (1988), Too Hot to Handle - the race for cold fusion (1991), and The Particle Odyssey (OUP, 2002). In 2013 Professor Close was awarded the Royal Society Michael Faraday Prize for communicating science.