Michael Marsh held the Readership in Medicine, Manchester University and was Consulting Gastroenterologist at Salford Royal Hospital: in addition, he was Professor of Intestinal Immunopathology, Ankara University Medical School, Turkey. He is known worldwide for his Classification regarding the immunopathological stages in the development of the celiac lesion. He returned to Oxford with a degree in Theology and began writing his D.Phil thesis on Near-Death & Out-of-Body experiences, published by OUP, 2010. Since then, he has been interested in the ethical outcomes of medical practice and biomedical research. Professor Marsh lives now in West Oxfordshire.