Education: B.Sc. Honours, Geology with Chemistry, University of London (1963) Ph.D. Mineral Deposit Geochemistry, University of Durham (1974) Research Interests The emergence of life and oxygenic photosynthesis in the context of hydrothermal systems on wet, rocky, sunlit planets
Professional Experience: Jet Propulsion Laboratory (2006 - present) Supervisor, Planetary Chemistry and Astrobiology Group (2013 - Present) Research Scientist, Planetary Chemistry and Astrobiology Group (2011 - 2013) Distinguished Visiting Scientist (2005 - 2011) NASA Senior Research Fellow (2005 - 2010) CNRS Professor, University of Grenoble, (2004-2005) Dixon Research Professor, Glasgow University, Scotland (1989-2004)