A.C. Grayling is Professor of Philosophy at and Master of the New College of the Humanities, London. He believes that philosophy should take an active, useful role in society and is a prolific author, whose books include philosophy, ethics, biography, history, drama and essays. He has been a regular contributor to The Times, Financial Times, Observer, Independent on Sunday, Economist, Literary Review, New Statesman and Prospect, and is a frequent and popular contributor to radio and television programmes, including Newsnight, Today, In Our Time, Start the Week, and CNN News. Among his recent books are Towards the Light: The Story of the Struggle for Liberty and Rights that Made the Modern West, Liberty in the Age of Terror, The Good Book: A Secular Bible and The God Argument.