Mary Dobson is an historian of medicine and an expert in the history of tropical and infectious diseases. She is the author of numerous books and articles ranging from academic titles to popular science and history, including Disease: The Extraordinary Stories Behind History's Deadliest Killers (Quercus). She has held a number of prestigious Research Fellowships and was Director of the Wellcome Unit for the History of Medicine and Fellow of Green Templeton College, Oxford.
Paul Johnson lives in London.
Richard Smith is a specialist in organisational development related people development issues and has enjoyed a number of senior roles for a range of blue chip organizations including Dixon Group and Lloyds Bank. Currently running his own consultancy Richard Smith Associates, he works with clients as diverse as Unilever, GKN, Nestle, Mars and Harvard Business School. The Chief Examiner for APMG Change Management products and lead author of the first global Change Management Body of Knowledge for the Change Management Institute, he is also a Fellow of the CIPD.
Keith Wrightsonis the TownsendProfessor of History at Yale University and the author ofEarthly Necessities: Economic Lives in Early Modern Britain. He lives in Guilford, CT.