Background
Rothfeld, Leonard Benjamin was born on February 20, 1933 in New York City. Son of Aaron and Sylvia Rothfeld.
chemical/environmental engineer
Rothfeld, Leonard Benjamin was born on February 20, 1933 in New York City. Son of Aaron and Sylvia Rothfeld.
Bachelor in Chemical Engineering, Cornell University, 1955. Master of Science, University Wisconsin, 1956. Doctor of Philosophy, University Wisconsin, 1961.
Postgraduate, University Arizona, 1988.
Various positions, Shell Oil Corporation, 1961-1973; director process design, Arco Coal Company, Los Angeles, 1973-1974; manager process engineering, Arco Coal Company, Los Angeles, Denver, 1974-1981; manager engineering and construction, Arco Coal Company, Denver, 1981-1982; associate research director, Anaconda Minerals Company, Denver, 1982; manager coal research, Anaconda Minerals Company, Tucson, 1982-1985; environmental engineer, United States Bureau Mines, Denver, 1988-1995. Consultant Rothfeld Engineering, Inc., Arco Coal Company, since 1995, Pacific Coal Pty, Australia, 1985-1989.
Member Society for Mining, Metallurgy and Exploration, National Association Environmental Professionals, Rocky Mountain Association Environmental Professionals (vice president), Extractive Metallurgy Chapter Denver, Denver Mining Club.
Married Mary Ellen Young, April 1, 1967. 1 child, Rebecca Rose.