 
Professor
      Paul G. Richards
Columbia University
      Seismologist; Educator
      Area
                                Mathematical and Physical Sciences
                            Specialty
                                Astronomy, Astrophysics, and Earth Sciences
                            Elected
                                    2008
                    Mellon Professor of Natural Sciences. Leader in the development and application of seismological monitoring of underground nuclear explosions. Studied the Earth's interior from the shallow crust to the inner core, both observationally and theoretically. Textbook Quantitative Seismology(2002) with Kei Aki, is a fundamental reference in the field.
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