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Selected publications and talks

Clayton A. Gearhart

Professor Emeritus of Physics
Office: Peter Engel Science Center, Room 137

Email: cgearhart   @   csbsju.edu

"James Franck, the Ionization Potentials of Helium, and the Experimental discovery of Metastable states," Studies in History and Philosophy of Modern Physics, in press

"James Franck, the Ionization Potentials of Helium, and the Experimental discovery of Metastable states," paper delivered to the Fourth Conference on History of Quantum Physics (HQ-4), Donostia/San Sebastian, Spain, 15–18 July 2015
    Slides (PDF)

“The Franck-Hertz Experiments, 1911–1914: Experimentalists in Search of a Theory, with an Appendix, ‘On the History of our Experiments on the Energy Exchange between Slow Electrons and Atoms’ by Gustav Hertz,” Physics in Perspective, 16 (2014), 293–343.
     Abstract (PDF)                               Paper and pdf reprints are available from me.

“The Franck-Hertz Experiments, 1911–1914: Experimentalists in Search of a Theory,” paper delivered to the Physics Department Colloquium, University of Minnesota—Duluth, 25 September 2014.
   
Slides (PDF)

“The Franck-Hertz Experiments, 1911–1914: Experimentalists in Search of a Theory,” paper delivered to the Physics Interest Group, History of Science Program, University of Minnesota, 28 February 2014.
    Slides (PDF)

“Fritz Reiche's 1921 Quantum Theory Textbook,” in Massimiliano Badino and Jaume Navarro, eds., Research and Pedagogy: A History of Quantum Physics through its Textbooks (Edition Open Access, 2013); book available on-line at http://edition-open-access.de/studies/2/index.html.
    PDF

“The Franck-Hertz Experiment and the Nature of Ionization,” paper delivered at the April meeting of the American Physical Society, 13–16 April 2013,  held in Denver, CO.
    Abstract (PDF)        Slides (PDF)

“The Quantum Underground: Early quantum theory textbooks,” paper delivered at the April meeting of the American Physical Society, 30 April–3May 2011, held at Anaheim, CA.
    Abstract (PDF)        Slides (PDF)

“Fritz Reiche’s 1921 Quantum Theory Textbook,” paper delivered at the third international conference on the history of quantum physics (HQ3), 28 June–2 July 2008, Max Planck Institute for the History of Science, Berlin.
        Slides
(PDF)

“The Rotational Specific Heat of Molecular Hydrogen in Quantum Theory,” paper delivered to the weekly colloquium of the Program in the History of Science and Technology, University of Minnesota, 29 January 2010. 

Fritz Reiche’s 1921 quantum theory textbook,” paper delivered at the annual meeting of the History of Science Society, 20–22 November 2009, Phoenix, AZ.  This paper is part of a project on early quantum theory textbooks sponsored by the Max Planck Institute for the History of Science in Berlin.

“ ‘Astonishing Successes’ and ‘Bitter Disappointment’:  The Specific Heat of Hydrogen in Quantum Theory,” Archive for History of Exact Sciences 64 (2010), 113–202.
Abstract (PDF)        Link to Archive web site      Paper and pdf reprints are available from me.

Essays on “Black-Body Radiation,” “Quantum Theory, Early Period (1900–1913)” and “Specific Heats,” in Compendium of Quantum Physics: Concepts, Experiments, History and Philosophy, Daniel Greenberger, Klaus Hentschel, and Friedel Weinert (Editors) (Springer, 2009), 39–42, 617–622, 719–721.

“Planck, Max,” with Dieter Hoffmann, Complete Dictionary of Scientific Biography (Charles Scribner’s Sons, 2008). Vol. 24, 111115.

“Max Planck and black-body radiation,” essay in Dieter Hoffmann, ed., Max Planck: Annalen Papers (Wiley-VCH (2008), 395414).

“David Dennison, the specific heat of hydrogen, and the discovery of nuclear spin,” paper delivered at the second international conference on the history of quantum physics (HQ2), 14–17 July 2008, Utrecht, the Netherlands.
Abstract (PDF)            Slides (PDF)

David Dennison, the specific heat of hydrogen, and the discovery of nuclear spin:  Experimental Foundations, paper delivered at the April meeting of the American Physical Society, 12–15 April 2008, held at St. Louis, MO.
Abstract (PDF)            Slides (PDF)

“Walther Nernst, Albert Einstein, Otto Stern, Adriaan Fokker, and the rotational specific heat of hydrogen,” paper delivered at a workshop on the history of quantum theory, sponsored by the Max Planck Institute for the History of Science, 2¬6 July 2007, held in Berlin, Germany.
Abstract (PDF)            Slides (PDF)

"Walther Nernst, Albert Einstein, Otto Stern, and the specific heat of hydrogen,” paper delivered at the April meeting of the American Physical Society, 14–17 April 2007, held at Jacksonville, FL. Abstract (PDF)   

“The rotational specific heat of molecular hydrogen in the old quantum theory,” invited paper delivered at a workshop on the history of early quantum theory, sponsored by the Max Planck Institute for the History of Science, 13–16 June 2006, held in Berlin, Germany.  Abstract (PDF)  Slides (PDF)

“The rotational specific heat of molecular hydrogen in the old quantum theory,” paper delivered at the annual meeting of the History of Science Society, 4–6 November 2005, held in Minneapolis, MN.   Abstract (PDF)

“The rotational specific heat of molecular hydrogen in the old quantum theory,” paper delivered at the April meeting of the American Physical Society, 16–19 April 2005, held at Tampa, FL.  Abstract (PDF)   

“Black-Body Radiation,” essay in Jürgen Renn, ed., Albert Einstein, Chief Engineer of the Universe, (Wiley VCH 2005, 116–119).  Published in connection with an Einstein exhibition in Berlin, sponsored by the Max Planck Institute for the History of Science, celebrating the 100th anniversary of Einstein’s famous 1905 papers.

"Planck, the Quantum, and the Historians," Physics in Perspective 4 (2002), 170–215.  PDF

Review of David Lindley, Boltzmann’s Atom (Free Press, New York, 2001), in Physics Today 54 (September 2001), 53.

"The Kater Pendulum," paper delivered at the Spring meeting of the Minnesota Area Association of Physics Teachers, held at Moorhead State University, Moorhead, MN, 29 April 2000.

Review of James Evans, The History and Practice of Early Astronomy (Oxford University Press, New York, 1998), and Noel Swerdlow, The Babylonian Theory of the Planets (Princeton University Press, Princeton, 1998), for Symposium (SJU Faculty Journal), No. 17 (1999).

Review of Crosbie Smith, The Science of Energy: A Cultural History of Energy Physics in Victorian Britain (University of Chicago Press, Chicago, 1998), Physics in Perspective 1 (1999): 458–459.

"A Windows graphing, curve fitting, and data analysis program," paper delivered at the Conference on Computational Science in Undergraduate Education, Gustavus Adolphus College, 26-27 March 1999

"The Objects of Loyalty: Werner Heisenberg, Nuclear Fission, and the Nazi State," talk delivered to the CSB/SJU Honors Seminar, 3 April 1997

Review of Jeremy Bernstein, Hitler’s Uranium Club, (AIP, Woodbury, NY, 1996) and Ruth Lewin Sime, Lise Meitner: A Life in Physics, (U. of California Press, Berkely, 1996) Symposium (SJU Faculty Journal), Number 14 (Fall 1996, 74–79).

Article on Ludwig Boltzmann for Macmillan Encyclopedia of Physics, John Rigden, editor, (Macmillan, New York, 1997).

"Specific heats and the equipartition law in introductory textbooks," American Journal of Physics 64 (1996): 995–1000.  PDF

Review of Einstein, History, and other Passions by Gerald Holton (AIP Press, Woodbury, NY, 1995), American Journal of Physics 63 (1995): 1055–1056.

Review of The Private Lives of Albert Einstein by Roger Highfield and Paul Carter (St. Martin’s Press, New York, 1995), American Journal of Physics 62 (1994): 1054–1055.

"The Education of Albert Einstein," SJU Faculty Colloquium, January 1992; published in Symposium (SJU Faculty Journal), No. 10 (1992), 21–43.

"Einstein before 1905: The Early Papers on Statistical Mechanics," American Journal of Physics, 58 (1990):468-480. PDF

"Avogadro's Number and the Acceptance of Atomic Theory," paper delivered to the History of Chemistry workshop, December 1989

"Einstein before 1905: The Early Papers on Statistical Mechanics," paper delivered at the History of Science Program Seminar, University of Minnesota, 5 June 1987

Review of Comet Halley: Once in a Lifetime by Mark Littmann and Donald K. Yeomans, in Isis (journal of the History of Science Society), 77 (1986):161

"Epicycles, Eccentrics, and Ellipses: The Predictive Capabilities of Copernican Planetary Models," Archive for History of Exact Sciences, 32 (1985):207-222

"Gibbs, Liouville's Theorem, and the American Frontier," American Journal of Physics, 51 (January 1983):81

Query Response, "Eddington quote," History of Physics Newsletter, 1 (1983):30

"The Predictive Capabilities of Copernican Planetary Astronomy," paper delivered at the Midwest Junto for the History of Science, 15-17 April 1982, held at Iowa State University, Ames

"Paradigm Lost: The Geocentric Copernicans," paper delivered to the Faculty Colloquium, St. John's University, 20 March 1982

"Has Astronomy Discovered God?" paper prepared for the Theology/Arts and Sciences Dialogue Group, St. John's University, 22 October 1980

"Differential Osmotic Pressure Measurements of the Concentration Susceptibility of Liquid 3He/4He Mixtures near the Lambda Curve and Tricritical Point" (with W. Zimmermann, Jr.), Physical Review B, 19 (1 March 1979): 2677

"Simple High-Stability Potentiometric ac Bridge Circuits for High- Resolution Low-Temperature Resistance Thermometry" (with J. A. McLinn and W. Zimmermann, Jr.), Review of Scientific Instruments, 46 (November 1975): 1493.

"Observations of Wall Film Superfluidity in the Bulk Normal Phase of Liquid 3He/4He Mixtures at Values of 3He Mole Fraction down to 0.55" (with W. Zimmermann, Jr.), Physics Letters, 48A (20 May 1974): 49.

"Differential Osmotic Pressure Measurements on Liquid He3/He4 Mixtures near the Tricritical Point" (with W. Zimmermann, Jr.), paper delivered (by W.Z.) at the Gordon Conference on the Dynamics of Quantum Solids and Fluids, 16-20 July 1973, Wolfeboro, New Hampshire.