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Clayton A. Gearhart

            Professor Emeritus of Physics
            Office: Peter Engel Science Center, Room137
                         Department of Physics
                         St. John's University
                         Collegeville, MN 56321

            mailing address: 1436 North 36th Avenue
                                         St. Cloud, MN 56303
             e-mail: cgearhart    @



  • Ph.D., University of Minnesota
  • M.S., University of Minnesota
  • B.S., Rensselaer Polytechnic Institute

Research Interests

  • history of physics (especially thermodynamics, statistical mechanics, early quantum physics)
  •     Selected publications and talks

    Other Interests in Physics

  • relativity
  • computational physics, chaos,
  • foundations of quantum mechanics
  • physics of climate
  • Ph.D. research was in
    experimental liquid helium
  • Other Interests

    • Canoeing, bicycling
    • walking, photography
    • classical music, military history


    Linfit is a collection of data analysis/graphing/least-squares fitting programs used in Physics Department laboratories.   Click on this link for more information and to get a copy.



    American Physical Society (Fellow, 2022)

    Resident Fellow, Minnesota Center for  Philosophy of Science, University of Minnesota

    History of Science Society



    Disclaimer:  Any opinions expressed here are my own and are not necessarily shared by St. John's University or the College of St. Benedict; but they should be.