Education
Doctor of Philosophy, University of California, San Diego, 1970.
Doctor of Philosophy, University of California, San Diego, 1970.
Senior scientist, High Altitude Observatory, National Center for Atmospheric Research, Boulder, Colorado, since 1978; director, High Altitude Observatory, National Center for Atmospheric Research, Boulder, Colorado, 1990-1995.
Fellow American Geophysical Union (James B. MacElwane award 1978). Member Norwegian Academy Science and Letters, International Astronomical Union, American Astronomical Society, International Union of Radio Sciences.