- "Biotechnology in our Daily Lives." Luncheon speech delivered to the Marshall University Emeriti. Huntington, Feburary 18, 2003.
- "What is Biotechnology and Why is it Important?" Presentation given to the Engineers Club of Huntington, January 17, 2003.
- "Biotechnology Advancing Medicine, Our Daily Lives," The Herald Dispatch, January 10, 2003.
- "W.Va Needs Biotech Center to Grow," The Herald Dispatch, September 8, 2002.
- Invited Seminar, Chemistry Division, Directorate for Mathematical and Physical Sciences, The National Science Foundation, July 30, 1999. "Something old, something new ... research training and the new millennium."
- Invited Speaker, "Science Education for the 21st Century," The Southern California Conference on Technology, Employment and Community, CSULA, November 22023, 1996.
- Plenary Address, "Active Learning in Math and Science: Examples of Successful Applications in the College Classroom," November 1, 1996. Sponsored by the Los Angeles Collaboratives for Teacher Education and the National Science Foundation.
- "Something Old, Something New: Investigations of Molecular Spectra and Structure," Department of Chemistry, California State Polytechnic University, Pomona, March 6, 1992.
- Luncheon Speaker, Undergraduate Research Conference, Southern California Section of the American Chemical Society, CSULA, May 1990.
- Panelist, "Undergraduate Biotechnology Education," American Society for Microbiology National Meeting, Anaheim, April 1990.
- "The Origin and Evolution of the Solar System," Mayfield Senior School, Pasadena, April 1984.
- "Photochemistry of the Major Planets," CSU Dominguez Hills and Pepperdine University, 1982.
- "Chemistry of the Solar System," Glendale High School, February 22, 1979.
- "Chemistry of the Solar System," Fremont High School, Los Angeles, December 12, 1978; Burroughs High School, Glendale, December 14, 1978.
- "The Vibrational Spectrum and Structure of €Ÿ1,4Bicyclo(2.2.0)hexene," Sixth International Conference on Raman Spectroscopy, Ashoka Hotel, Bangalore, India, September 7, 1979.
- "Spectroscopy of the Planet Jupiter," Invited Lecture, Society for Applied Spectroscopy, Southern California Section, January 8, 1978.
- "Vibrational Spectrum of Freon-12," American Chemical Society/Society for Applied Spectroscopy Pacific Conference on Chemistry and Spectroscopy, October 13, 1977 (Paper 166).
- "Chemistry of the Outer Solar System," California State University, Long Beach, March 16, 1977.
- "An Analysis of the Vibrations of the Hexahydroclovo-hexaborate(2-)anion, B6H62-, " Fifth International Conference on Raman Spectroscopy, Universitaet Freiburg, Freiburg, FRG, September 4, 1976.
- "The Use of Raman Spectroscopy in Laboratory Simulation of the Outer Solar System," Fifth International Conference on Raman Spectroscopy, Universitaet Freiburg, Freiburg, FRG, September 4, 1976.
- "The Vibrational Spectra and Structure of Hydrogen Sulfide, American Chemical Society Northwest Regional Meeting, University of University of Nevada, Reno, June 1976.
- "Photochemistry of Ammonium Hydrosulfide," Division of Planetary Sciences, American Astronomical Society, University of Texas, Austin, April 1976.
- "Photochemistry of Ammonium Hydrogen Sulfide," American Chemical Society/Society for Applied Spectroscopy Pacific Conference on Chemistry and Spectroscopy, October 1975.
- "Phase Transitions in Polycrystalline Trimethylamine Borane as Studied by Raman Spectroscopy," American Chemical Society/Society for Applied Spectroscopy Pacific Conference on Chemistry and Spectroscopy, October 1975.
- "The Jovian Atmosphere," San Francisco State University, September 26, 1975.
- "Vibrational Spectrum and Properties of Ammonium Hydrosulfide," American Chemical Society Northwest Regional Meeting, Honolulu, Hawaii, June 13, 1975.
- "Vibrational Spectrum and Structure of Bicyclo (2.1.0) Pentane," Thirtieth Symposium on Molecular Structure and Spectroscopy, Ohio State University, June 18, 1975.
- "Atmosphere of Jupiter," University of Nevada, Reno, May 1975.
- "Jovian Atmosphere," NASA-Ames Research Center, Mountain View, California, April 1975.
- "Vibrational Spectra and Structure of the Non-rigid Molecules Diethylzinc and Diethylzinc-d10," Fourth International Raman Conference, Brunswick, Maine, August 28, 1974.
- "Computers and Chemistry," Loyola Marymount University, April 23, 1974.
- "The Vibrational Spectra and Symmetry of Non-Rigid Molecules," Chemical Physics Symposium, Seaver Materials Science Center, University of Southern California, December 11, 1973.
- "The Vibrational Spectrum of Ethynyl Phosphine," 1973, Pacific Conference on Chemistry and Spectroscopy, San Diego, November 1973.
- "The Vibrational Spectra, Structure, and Nature of the P:N Bond in N,P,P,P-Tri-methylphosphine Imide and N-methyl-d3-P,P,P-Trimethylphosphine Imide," XXVIII Symposium on Molecular Structure and Spectroscopy, Ohio State University, June 11, 1973.
- "Infrared and Laser-Raman Spectroscopy at Low Temperatures," California State University, Long Beach, September 26, 1973.
- "Vibrational Spectra of Solids," Harvey Mudd College, Claremont, California, March 21, 1973.
- "Investigation of Molecular Motion by Raman Spectroscopy," Department of Chemistry Seminar, California State University, Los Angeles, 1972.
- "Vibrational Spectra and Molecular Properties of Cyclopropylamine and Cyclopropylamine-N-d2," XXVII Symposium on Molecular Structure and Spectroscopy, Ohio State University, 1972.
- "The Low-Frequency - Low-Temperature Spectra and Torsional Barriers of Molecules with Internal Rotational Degrees of Freedom," Pacific Conference on Chemistry and Spectroscopy, San Francisco, 1970.
- "Torsional Vibrations of Some One and Two Top Molecules," XXI Mid-America Symposium on Spectroscopy, Chicago, 1970.
- "Lattice Fundamentals of Dimethylsulfoxide and Dimethylsulfoxide-d6," XXIV Symposium on Molecular Structure and Spectroscopy, Ohio State University, 1969
- "The Vibrational Spectra of Hg2Cl2, Hg2Br2, and Hg2I2," XXIII Symposium on Molecular Structure and Spectroscopy, Ohio State University, 1968.
- "The Low Frequency Vibrations of Formamide and Formamide-d2," VII National Meeting, Society for Applied Spectroscopy, Chicago, 1968.
- "Vibrational Spectra of Tetrasulfurtetranitride and Disulfurdinitride," XXII Symposium on Molecular Structure and Spectroscopy, Ohio State University, 1967.
- "Vibrational Spectra of Some Organic Cyanides," XXIV Meeting of the Southeastern Section of the American Physical Society, Clemson University, 1967.
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