Frank Close is professor of theoretical physics at Oxford University, dean of Graduate Studies and fellow of Exeter College, Oxford. He has been fellow of the Institute of Physics since 1991 and was awarded the Institute's Kelvin Medal for his contributions to the Public Understanding of Physics. He was formerly the head of the Theoretical Physics Divisio at the Rutherford Appleton Laboratory and head of communications and public education at CERN. He is the author of several books, including the bestselling Lucifer's Legacy. His other books include Antimatter, Neutrino, The Cosmic Onion, Apocalypse When?, Too Hot to Handle and The Particle Odyssey.