Steven Pinker and Tim Harford

Steven Pinker is an experimental cognitive scientist. Currently Johnstone Professor of Psychology at Harvard, he has also taught at Stanford and MIT. He has won many prizes for his research, teaching, and his eleven books, including The Language Instinct, How the Mind Works, The Blank Slate, The Better Angels of Our Nature, and Enlightenment Now. He is a member of the National Academy of Sciences, a two-time Pulitzer Prize finalist, a Humanist of the Year, a recipient of nine honorary doctorates, one of Foreign Policy's 'World's Top 100 Public Intellectuals' and Time's '100 Most Influential People in the World Today'.

Tim Harford is an economist, journalist and broadcaster. He is author of How To Make the World Add Up, The Data Detective, Messy, and the million-selling The Undercover Economist. Tim is a senior columnist at the Financial Times, and the presenter of Radio 4’s More or Less. He is an associate member of Nuffield College, Oxford and an honorary fellow of Brasenose College, Oxford and of the Royal Statistical Society. Tim was made an OBE for services to improving economic understanding in the New Year honours of 2019.