Harry Hemond is William E. Leonhard Professor of Civil and Environmental Engineering at the Massachusetts Institute of Technology. He is a winner of MIT's Irwin Sizer Award for his course "Chemicals in the Environment: Fate and Transport," and has won multiple teaching awards. He is an author of numerous scientific papers on biogeochemistry and related environmental topics. A registered professional engineer, Professor Hemond has also consulted with governmental agencies and industry.
Elizabeth Fechner was a teaching assistant for the MIT course on which this book is based. She has worked for several environmental consulting firms, performing fate and transport analyses for private clients and the U.S. Environmental Protection Agency. She has also provided technical support to attorneys in cases of environmental litigation.