James C. Gerdeen, Ph.D., P.E., is a professor emeritus at the University of Colorado at Denver and Health Science Center and a distinguished professor at Michigan Technological University. He has published over 65 papers and over 100 research reports. His research interests include pressure vessel design, structural analysis, metal working manufacturing, and mechanical design.
Ronald A.L. Rorrer, Ph.D., P.E., is an associate professor at the University of Colorado at Denver and Health Sciences Center. He has published over 30 papers and holds one patent. His research areas include tribology, polymers, composites, and bioengineering.