Philosophy Bites was set up in 2007 by David Edmonds and Nigel Warburton. It has had over 12 million downloads, and is listened to all over the world.
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.