Professor Alice Roberts is a writer, broadcaster, and President of Humanists UK. She is the bestselling author of eight popular science books including Evolution: The Human Story , the Incredible Unlikeliness of Being and Tamed: Ten Species that Changed Our World . Making her television debut on Time Team in 2001, she has become one of Britain's best-known broadcasters and has written and presented a huge range of television series for BBC2, BBC4 and Channel 4, including The Incredible Human Journey , Origins of Us and Ice Age Giants , and several Horizon programmes. Her humanist 'mini-sermons' on Twitter have been liked and shared many thousands of times. Andrew Copson is the Chief Executive of Humanists UK and President of Humanists International. He has provided a humanist voice on many television and radio programmes and written on humanism for publications including The Economist , New Statesman , Guardian , Prospect , The Times and Buzzfeed. With AC Grayling, he edited the Wiley Blackwell Handbook of Humanism and his most recent book is Secularism: A Very Short Introduction . He has been the humanist contributor to many compendiums and anthologies of quotations such as Wisdom for Life and numerous resources for schools.