Bachelor 1st class, Cambridge University, England, 1963. Master of Arts, Cambridge University, England, 1966. Doctor of Philosophy, Cambridge University, England, 1968.
Lecturer School of Science University Botswana, Lesotho & Swaziland, Lesotho, 1968-1970, tutor Lesotho, 1970. Associate professor chemical Abadan Institute Oil Technology, Iran, 1970-1972. Medical research council fellow University Essex, England, 1973-1975.
Research scientist II Lovelace biomedical, Albuquerque, 1976-1984. Research associate inhalation toxicology medical department Brookhaven National Laboratories, Upton, New York, 1990-1993. Senior scientist inhalation toxicology Primedia Argus Research, Horsham, Pennsylvania, since 1994.
Visiting professor University South Sewanee, Tennessee, 1990.
Member American Chemical Society, Gesellschaft Für Aerosolforschung, Electron Microscopy Society of America/Microbeam Analysis Society (program chairman biological applications, national meeting, Albuquerque, 1986), Microbeam Analysis Society.
Married Sheila Yolisa Cingo, July 16, 1970. Children: Ronald, Ian, Michelle.