He is the author of popular science books on topics including light, infinity, quantum entanglement and surviving the impact of climate change, and biographies of Roger Bacon and Eadweard Muybridge.
Born in Rochdale, Lancashire, Clegg was educated at Manchester Grammar School and went on to read Natural Science (specialising in experimental physics) at the University of Cambridge.
After graduating, he spent a year at Lancaster University where he gained a second MA in Operational Research, a discipline originally developed during the Second World War to apply the power of mathematics to warfare.
Clegg is a regular speaker and has spoken at a range of venues, from Oxford and Cambridge universities to the Dana Centre at London's Science Museum.
"[4] Kirkus Reviews states: "Solid as a straightforward chronology of how mathematics has developed over time, and the author adds a provocative note urging scientists to keep it in its place.