Helen Churchill lectures at Liverpool John Moores University and has over twenty years' experience of researching caesarean birth. Her publications include a number of papers, articles and reviews on women's health issues and include the books Caesarean Birth: Experience, Practice and History (1997) and Caesarean Birth in Britain (1993 and 2006). Professor Wendy Savage qualified as a doctor in 1960 and in 1977 became Senior Lecturer in Obstetrics and Gynaecology and Honorary Consultant at the London Hospital Medical College. She was an elected member of General Medical Council 1989-2005. Published books include A Savage Enquiry, Caesarean Birth in Britain (1993 and 2006) and Birth and Power (2007).