AB, University of California at Los Angeles, 1963; Master of Science, California State University, Los Angeles, 1966; Doctor of Philosophy, U. Wyoming, 1971.
Lecturer, laboratory scientist department physics University Wyoming, Laramie, 1970-1975. Assistant professor physics Kuwait University, 1975-1977, associate professor physics, 1977-1989. Instructor dermatology Harvard Medical School/Massachusetts General Hospital, Boston, 1989-1995, assistant professor dermatology, associate biophysicist, 1995-1999.
Senior research fellow, director methods and models Johnson and Johnson Consumer Products Worldwide, Skillman, New Jersey, since 1999. Consultant United States Food and Drug Administration, Washington, 1994-1995, Kuwait Institute for Science Research, 1978-1979, department dermatology Al Sadah Hospital, Kuwait, 1977-1985, Environmental Protection Council, Kuwait, 1979-1985.
Member American Society Photobiology (council), Society for Investigative Dermatology, Optical Society of America, Sigma Xi.
Married Marie Josee Hiribarren. Children: Peter Nicolas, H. Dimitri.