Robert West is Professor of Health Psychology and Director of Tobacco Studies at University College London's Department of Epidemiology and Public Health. He has been a key player in the UK's stop-smoking services and regularly trains and certifies counsellors on the programme. He lives in London.
Chris Smyth is a novellist and health correspondent at The Times. Over six years at the paper, he has written broadly on medicine, health policy, culture and politics. He has a PhD from Cambridge University and is the author of Dinner at Mine (2012).