20 Food Heroes

Food in America is getting better on every front. Some of the people here are lions in their fields—still roaring. Others are just getting started. We salute them.

Walter Willett
Photo: Courtesy of Walter Willett

Walter Willett

67, Boston, Massachusetts

POSITION: Harvard scientist

NOTABLE FOR: Defending heart-healthy fats. One of the world’s most-cited

research scientists, Willett derailed the all-fats-arebad trend of the early ’90s. He’s also helped halt transfat production. His new battle: “I think now carbohydrate quality is probably the single biggest problem” in the American diet.

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