Stephen Law is a philosopher, academic, and all-round polymath. He has written a number of bestselling introductions to philosophy for both adults and children including The Philosophy Files, The Philosophy Gym and A Very Short Introduction on Humanism. He is a public speaker and has written for the Guardian, Independent on Sunday, Mail on Sunday, the Sydney Morning Herald, The Times, Newsweek, Aeon, and New Scientist magazine. He teaches at the University of London.