Dan Barber, executive chef and co-owner of New York City's Blue Hill restaurant, lingers after teaching a food-and-science class at Harvard University. International top chefs serve as guest lecturers. (Associated Press)
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Dan Barber, executive chef and co-owner of New York City's Blue Hill restaurant, lingers after teaching a food-and-science class at Harvard University. International top chefs serve as guest lecturers. (Associated Press)
