David Edmonds is the coauthor, with John Eidinow, of the bestselling Wittgenstein's Poker as well as Rousseau's Dog and Bobby Fischer Goes to War, and the author of Would You Kill the Fat Man? (Princeton). Cofounder, with Nigel Warburton, of the popular Philosophy Bites podcast series, he is a distinguished research fellow at the Oxford Uehiro Centre for Practical Ethics and an award-winning presenter and producer for the BBC.

Bertie Fraser is the founder of children's story podcast Storynory, which has a worldwide following. He studied Classics at Oxford University and is still fascinated by the ancient world. He has worked in Russia as a freelance journalist, and as a producer for the BBC World Service.

He lives in London. David Edmonds is a multi-award-winning BBC journalist and a Distinguished Research Fellow at the Uehiro Centre for Practical Ethics at Oxford University. He has written/edited a dozen books, including – with John Eidinow – the international bestseller Wittgenstein’s Poker (shortlisted for The Guardian First Book Prize). He hosts several podcasts one of which, Philosophy Bites, has had nearly 40 million downloads. He lives in London with his wife and two children.