Bachelor of Science, Imperial College, London University, 1972. Doctor of Philosophy, Imperial College, London University, 1975. Master of Arts (honorary), Oxford University.
Lindemann fellow United States Geological Survey, Menlo Park, California, 1975—1977. Research associate California Academy of Sciences, San Francisco, 1977—1978. Research assistant Imperial College, 1978—1981.
Lecturer to senior lecturer Goldsmith's College, 1981—1989. Lecturer Oxford University, 1989—1994. Fellow St. Hugh's College, 1989—1994.
Head, department earth science Open University, Milton Keynes, 1994—1998, professor, earth science, since 1994, director, center earth, planetary, space & astronomical research. Director C-Questor Ltd., Weybridge, since 2008.
Member of Systematics Association, Palaeontological Society.
Married Teresa Elizabeth Vernon Magner, October 6, 2007. Children: Andrew Jason, Anna Lauren. Married Ruth Mitchell, August 17, 1974 (divorced).