Linfield C. Brown is Emeritus Professor of Civil and Environmental Engineering, Tufts University. He has B.S. and M.S. degrees from Tufts and the PhD from the University of Wisconsin-Madison. He joined the faculty at Tufts in 1970, and served as Chair of Civil and Environmental Engineering from 1981-1992. He taught engineering statistics, water chemistry, environmental modeling, and process design at Tufts. Tufts honored him with the Lillian Liebner Award for excellence in teaching. He helped to develop the QUAL2E and QUAL2E-UNCAS water-quality models, has been a consultant on water-quality modeling to the U.S EPA and a variety of states, industries, and engineering companies, and has taught modeling courses in England, Hungary, Poland, and Spain. He is an expert in environmental statistics and co-author of ‘Statistics for Environmental Engineers’ and has taught many short-courses on this subject.