From the Los Angeles Times.

Dr. Lester Breslow, the UCLA researcher who became known as "Mr. Public Health" because of his research emphasizing the beneficial effects of avoiding certain behaviors, such as smoking, overeating and failing to exercise regularly, has died. He was 97.
Breslow, a former director of the California Department of Public Health and dean of UCLA's Fielding School of Public Health, died Monday at his home in Los Angeles, the university announced.