Witherell biography

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          Michael Stewart Witherell

          American physicist (born 1949)

          Michael Stewart Witherell

          Witherell in 2016

          Incumbent

          Assumed office
          March 1, 2016
          PresidentBarack Obama
          Donald Trump
          Joe Biden
          Preceded byPaul Alivisatos
          In office
          July 1, 1999 – June 30, 2005
          PresidentBill Clinton
          George W.

          Bush

          Preceded byJohn Peoples Jr.
          Succeeded byPiermaria Oddone
          Born22 September 1949 (1949-09-22) (age 75)
          Toledo, Ohio, U.S.
          Alma mater
          Scientific career
          FieldsPhysics (high-energy particle physics)
          InstitutionsLawrence Berkeley National Laboratory, University of California, Santa Barbara, Fermilab, Princeton University
          ThesisThe eta-pion mass-spectrum from threshold to 1200 mev/c-square in the reaction negative pion-proton ---> (negative pion,eta-meson,proton) (1973)
          Doctoral advisorRichard Prepost

          Michael Stewart Witherell (born 22 September 1949) is an Americ