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About the Authors:

Ruth Nicholson Klepfer received her B.S.E. in Biomedical Engineering from the University of Iowa in 1989. She is currently a Ph.D. student in Bioengineering at the University of Utah working on her degree remotely from Minneapolis, Minnesota. She was a University of Utah Presidential Fellow in 1992. Her research interests include modeling and simulation in medicine and physiology, particularly large-scale problems in electrophysiology.

Christopher Johnson received his Ph.D. from the University of Utah in 1989. He is an Associate Professor in the Department of Computer Science at the University of Utah. His research interests are in the area of scientific computing. Particular interests include inverse and imaging problems, adaptive methods for partial differential equations, numerical analysis, computational problems in medicine, and scientific visualization. In 1992, Professor Johnson was awarded a FIRST Award from the NIH, a National Young Investigator (NYI) Award from the NSF in 1994, and the Presidential Faculty Fellow (PFF) Award in 1995. He directs the Center for Scientific Computing and Imaging (SCI) at the University of Utah.

Robert S. MacLeod received both his B.Sc. ('74) in Engineering Physics and his Ph.D. ('90) in Physiology and Biophysics from Dalhousie University. His M.Sc. ('85) in Electrical Engineering came from the Technische Universität, Graz, Austria. He is an Assistant Professor in the Department of Internal Medicine (Div. of Cardiology) and Dept. of Bioengineering at the University of Utah, and a member of the Nora Eccles Harrison Cardiovascular Research and Training Institute. His research interests include computational electrocardiography (forward and inverse problems), experimental investigation and clinical detection of cardiac ischemia and repolarization abnormalities, and scientific computing and visualization.