Frank Close FRS is an eminent research theoretical physicist in nuclear and particle physics. Currently Emeritus Professor of Physics at Oxford University and a Fellow of Exeter College, he was formerly the Head of the Theoretical Physics Division at the Rutherford Appleton Laboratory. He served as Chair of the UK Space Exploration Working Group 2007 which culminated with Tim Peake's launch to the ISS. He is the author of several books, including the best-selling Lucifer's Legacy (2000), and his highly acclaimed biography of the Higgs Boson Elusive (2022). His other books include Antimatter (2018), Neutrino (2011), Eclipse: Journeys to the Dark Side of the Moon (2017), and A Very Short Introduction to Nuclear Physics (2015), Particle Physics (2004), and Nothing (2009). In 2013, Professor Close was awarded the Royal Society Michael Faraday Prize for communicating science, and was elected Fellow of the Royal Society in 2021.

• 1: A 2500-year-old Mystery


• 2: The Nuclear Atom


• 3: The Electromagnetic Force


• 4: New Agencies


• 5: Quarks


• 6: A Quark's Colourful World


• 7: Janus-faced Quarks


• 8: The End of the Matter


• 9: Underground Physics


• 10: Mysteries

Frank Close explores the deep, and as yet unresolved, puzzle of why matter is electrically neutral.