Bachelor of Science, National Taiwan University, 1958. Master of Science, Osaka Pref. University, 1960; Doctor of Science, Osaka Pref.
University, 1964; Doctor of Philosophy, University California, Davis, 1968.
Research associate University California, 1967—1968, Purdue University, 1968. Group leader Allied Chemical Company, Morristown, New Jersey, 1968—1970. Plant biochemist Michigan State University, 1970—1973.
Senior research associate Diamond Shamrock, Painesville, Ohio, since 1973, S.D.S. Biotechnology, since 1983, manager, since 1985. Consultant chemical companies, 1970—1973. Served to lieutenant United States Army, 1958-1960.
Member of Japanese Plant Physiologist, American Plant Growth Regulator, American Plant Physiologists, American Weed Scientists, American Chemical Society.
Married Lily S. H. Lim, June 27, 1965. Children: David, Timothy.