Oliver Johnson is Professor of Information Theory in the Institute for Statistical Science in the School of Mathematics at the University of Bristol. He was previously a research fellow at the University of Cambridge and Fellow of Christ's College, Cambridge. He has frequently appeared on BBC Radio 4 and written for the Spectator, and has been quoted in a variety of newspapers including The Times, Guardian, Daily Telegraph and New York Times. Oliver is on Twitter as @BristOliver, where he tweets about maths, music and Aston Villa. He lives in Bristol.