Mark Vernon is writer and author of several books including After Atheism (2007), The Philosophy of Friendship (2005) and Wellbeing (2008). He has degrees in physics and theology, and a PhD in philosophy and is an honorary research fellow at Birkbeck College, London. He also writes for newspapers including the Guardian, TLS and Financial Times, and began his professional life as a priest in the Church of England.
Martin Manser is a professional reference-book editor. He is also a language consultant with national companies and organizations. Martin is Part-time tutor at London College of Communication, University of the Arts London and Part-time visiting lecturer at Buckinghamshire New University.