Carolina at Chapel Hill. He received his Ph.D. degree in chemistry from Arizona State University in 1971. After completing his degree, he was an EPA postdoctoral fellow at the University of North Carolina at Chapel Hill, conducting research on nitrogen oxides chemistry. His current research interests include atmospheric photochemical aerosol formation processes involving organics and sulfur dioxide, and chemical application to air pollution control devices. He is a member of the American Chemical Society, Air Pollution Control Association, and Sigma Xi, and is a member of the Editorial Review Board of the Journal of the Air Pollution Control Association.