Derek James Cripps, age 80, passed away peacefully at the Scripps Memorial Clinic in San Diego, Friday, Jan. 23, 2009, after becoming ill on a cruise ship headed for Los Angeles. Dr. Cripps served as chief of dermatology at University Hospital for 30 years. He did research on sunlight sensitivity and developed the SPF rating system, commonly seen on sunscreen bottles. He also investigated the disease Porphyria.
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