作者: Keith N. Frayn

Michael Gurr was Visiting Professor in Human Nutrition at Reading and Oxford Brookes Universities, UK. John Harwood is a Professor of Biochemistry, School of Biosciences, Cardiff University, UK. Keith Frayn is Emeritus Professor of Human Metabolism, University of Oxford, UK. Denis Murphy is Professor of Biotechnology, School of Applied Sciences, University of South Wales, UK. Robert Michell is Professor of Biochemistry, School of Biosciences, University of Birmingham, UK.