Paul M.W. Hackett is professor in ethnography at Emerson College, Boston, USA., a visiting professor in health research at the University of Suffolk, UK and a visiting scholar at the Royal Anthropological Institute in London. He has developed the declarative mapping sentence out of his research which is concerned with the categorial understanding that humans have of their world and how such understanding underpins and facilitates behaviour, drawing upon several branches of psychology, philosophy, anthropology, and research methods. His publications include around 20 books and articles in leading journals.
Dr Christopher M. Hayre is a Senior Lecturer at Charles Sturt University in New South Wales, Australia. He has published both qualitative and quantitative refereed papers in the field of medical imaging and brought together several books in the field of medical imaging, health research, technology, and ethnography.