David Edmonds is a documentary maker for the BBC World Service. He is the author or co-author of several books, including the international bestseller
Wittgenstein's Poker, written with John Eidinow (short-listed for the Guardian First Book Award, translated into twenty five languages),
Bobby Fischer Goes to War, and
Rousseau's Dog.
Nigel Warburton is a freelance philosopher, podcaster, and writer. His books include
A Little History of Philosophy,
Philosophy: the Basics,
Thinking from A to Z, Philosophy: the Classics,
The Art Question, and
Free Speech: A Very Short Introduction.