Ph.D., Imperial College, London, 1970. Mission participation: Cassini dual technique magnetometer (MAG) principal investigator; director of Science for the European Space Agency (ESA); Galileo magnetometer (MAG) co-investigator; Ulysses magnetic field (HED/VHM/FGM) co-investigator; AMPTE/UKS dual range 0.03 nT accuracy triaxial magnetometer principal investigator. Research interests: solar terrestrial and solar planetary physics; planetary science; collision-free magnetohydrodynamics (esp. waves); space magnetometry; Earth observation; as well as… a general interest in doing science from space.