Edward N Ziegler Author & Editor

James R. Pfafflin is a professional engineer with degrees from Indiana State University, John Hopkins University and the University of Windsor. He is a member of the Commissioned Reserve of the US Public Health Service. Edward N. Ziegler is Associate Professor of Chemical and Biological Engineering at Polytechnic University. He is a distinguished and experienced teacher and engineer and a consultant to both private industry and government. Joseph M. Lynch is a professional Engineer and a founding partner of the environmental engineering consulting firm Mayo Lynch Associates.