Larry A. DeWerd

Ph.D.

Professor (tenure)

ladewerd@wisc.edu

608/262-0378

B1139 WIMR

Education

B.S., Mathematics & Physics, University of Wisconsin-Milwaukee, 1963

M.S., Physics, University of Wisconsin-Madison, 1965

Ph.D., Physics/Medical Physics, University of Wisconsin-Madison, 1970

Department Affilations

Medical Physics

Positions

  • 1972-1975, University of Washington, Research Assistant Professor
  • 1975-1976, University of Wisconsin, Visiting Assistant Professor
  • 1976-1979, University of Wisconsin, Clinical Assistant Professor
  • 1979-1986, University of Wisconsin, Clinical Associate Professor
  • 1986-1990, Radiation Measurements Inc., Product Development Manager
  • 1990-1997, University of Wisconsin, Clinical Professor
  • 1997-2014, University of Wisconsin, Professor (CHS) of Medical Physics
  • 2014-Present, University of Wisconsin, Professor with tenure of Medical Physics

Research Interests

Radiation metrology, including calibration of inoization chambers, radiation dosimetry in diagnostic radiology and radiotherapy, quality assurance in radiology and radiotherapy, luminescence for dosimetry (TLD).

Awards and Honors

  • Larry Lanzel Award
  • Randall Caswell Award
  • Best Paper in Medical Physics 2008 – Farrington Daniels Award

Publications

  • “Calibration Services for Medical Applications of Radiation,” L. A. DeWerd, pp. 243-248, in Proceedings of the Workshop on Measurement Quality Assurance for Ionizing Radiation, held in Gaithersburg, MD March 16-18, 1993, PNL-10076 CONF-9303220 ed. J. A. Heath and K. L. Swinth, available from US National Technical Information Service, (1996).
  • “QA Experience at the University of Wisconsin Accredited Dosimetry Calibration Laboratory,” L. A. DeWerd and J. A. Micka, pp. 385-392, in Proceedings of the Workshop on Measurement Quality Assurance for Ionizing Radiation, held in Gaithersburg, MD March 16-18, 1993, PNL-10076 CONF-9303220 ed. J. A. Heath and K. L. Swinth, available from US National Technical Information Service, (1996).
  • “TLD Measurements of in vivo Mammographic Exposures and the Calculated Mean Glandular Dose across the United States,” J. R. Gentry and L. A. DeWerd, Med. Phys. 23, #6, pp. 899-903 (1996).
  • “Quality Assurance Testing Service with Radiochromic Film,” R.C. Schmidt, L.A. DeWerd, and E.G. Hendee, Brain Trust 1: No. 4, pp. 8,9 (1996).
  • “Radiation Dosimetry,” Bruce R. Thomadsen, Larry A. DeWerd and Darwin Zellmer, Encyclopedia of Cancer, Volume III, pp. 1372-1394, Academic Press, San Deigo, CA, (1997).
  • “Comparison of exposure standards in the mammography x-ray region,” J. G. Coletti, D.W. Pearson, L. A. DeWerd, C. M. O’Brien and P. J. Lamperti, Med. Phys. 24, #8, pp. 1263-1267 (1997).
  • “Entrance Skin Exposure and Mean Glandular Dose: Effect of Scatter and Field Gradient at Mammography,” Kwan H. Ng, Robert J. Aus, Larry A. DeWerd, and John R. Vetter, Radiology 205: 395-398 (1997).
  • “Brachytherapy Dosimetric Assessment: Source Calibration, Larry A. DeWerd, Categorical Course in Brachytherapy Physics Syllabus, Bruce Thomadsen, ed., pp. 143-153, RSNA publications, Oak Brook, IL, (1997).
  • “Calibration Importance of Ionizing Radiation for Medical Applications in Radiation Therapy and Diagnostic Radiology,” L. A. DeWerd, Proceedings of the National Conference of Standards Laboratories Symposium: Metrology, Why Not?!!, July 19-23, 1998, Albuquerque, New Mexico, pp. 105-117 (1998).

Patents

  • Improved kVp Meter, U.S. Patent No. 4,935,950, 1990, industry-owned
  • Direct Response Ultraviolet Dosimeter Utilizing Thermoluminest MgO, U.S. Patent No. 3,924,135, 1975, institution-owned

Memberships

  • American Association of Physicists in Medicine (Fellow)
  • American Physical Society
  • Council on Ionizing Radiation Measurements & Standards
  • Health PHYSICS Society
  • Sigma Xi