Links

• Research Website
  

Awards

• American Geophysical Union Fellow
  1992
• American Association for the Advancement of Science Fellow
  1992
• American Academy of Arts and Sciences Fellow
  1998
• Member of the National Academy of Sciences
  1999
• American Physical Society Fellow
  2001
• Alfven Medal of the European Geophysical Union
  2005
• Fleming Medal of the American Geophysical Union
  2005
• American Philosophical Society
  2005
• Kuiper Prize of the American Astronomical Society
  2017
• Jean-Dominique Cassini Medal of the European Geosciences Union
  2019
• Gold Medal of the Royal Astronomical Society
  2019

Research Areas

• Planetary Science
• Space Physics

Membership in Academies and Societies

• American Academy of Arts and Sciences
• American Geophysical Union
• American Philosophical Society
• National Academy of Sciences