Born in New York City and raised in Florida, Lynn earned a Bachelor of Surgery in civil engineering at University of Miami (1950), Master of Surgery in sanitary engineering at University of North Carolina (1954), and a Doctor of Philosophy at Northwestern University (1963).
Land surveyor, Ehly Construction Company, Miami, Florida, 1950-1951;
chief party, Rader Engineering Company, Miami, 1951;
superintendent sewage treatment, lecturer сivil engineering, U. Miami, 1951-1953;
assistant professor mechanic engineering, U. Miami, 1954-1955;
assistant professor сivil engineering, U. Miami, 1955-1957;
research assistant professor marine laboratory, U. Miami, 1957-1958;
associate professor civil and industrial engineering, U. Miami, 1959-1961;
director research, Ralph B. Carter Company, 1957-1958;
associate professor sanitary engineering, Cornell Univercity, Ithaca, New York, 1961-1964;
professor civil and environmental engineering, Cornell Univercity, since 1964;
director Center Environmental Quality Management, Cornell Univercity, 1966-1976;
director School Civil and Environmental Engineering, Cornell Univercity, 1970-1978;
director Program on Science, Technology and Society, Cornell Univercity, 1980-1988;
dean university faculty, Cornell Univercity, 1988-1993;
senior fellow, Center for the Environmental, 1992-1997;
director, Center for the Environmental, since 1996;
Adjunct Professor public health Medical College, Cornell Univercity, 1971-1980. Member special advisory commission on solid wastes National Research Council, 1968-1976, member commission to rev.Washington metropolitan water supply, 1976-1984, chairman, 1980-1984, member board water science and technical, 1982-1986, chairman, 1982-1985, member commission on water resources research, 1987-1990, chairman, 1988-1990. Member United States National Committee for the Decadeon National Disaster Reduction, 1991-1996, chairman, 1991-1996.
Consultant World Health Organization, since 1969, Rockefeller Foundation, 1976-1981, SEARO, 1978. Chairman New York State Water Resources Planning Council, since 1986, National Research Council Board on National Disasters, 1992-1996 (chairman 1992-1996).
Chairman Ithaca Mayor's Citizens Advisory Committee, 1964-1965, Ithaca Urban Renewal Agency, 1965-1968. Trustee Cornell University, 1980-1985, Village of Cayuga Heights, 2000-2002, mayor, since 2002. Board directors Cornell Research Foundation, 1978-1996.
Commissioner Southern Cayuga Lake Intergovtl. Water Commission, since 1997. Served with Army of the United States, 1946-1948.
Fellow American Society of Civil Engineers (life), American Association for the Advancement of Science. Member National Academy Engineers Mexico (correspondent), Sigma Xi, Phi Kappa Phi., Chi Epsilon.
Married Barbara Lee Campbell, June 3, 1960. Children: Michael Drew.