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 a behavioural economist, BBC radio and TV presenter and award-winning Financial Times columnist. He offers a distinctive blend of storytelling, humour and intelligence. The presenter of the BBC’s More or Less and Fifty Things That Made The Modern Economy, FT columnist, Oxford Fellow and million-selling business author is a compelling storyteller on economics, management, psychology and the unexpected bits in between. Books include The Undercover Economist and How to Make the World Add Up: Ten Rules for Thinking Differently About Numbers.