He built a small chain of bakery cafes, with sourdough bread as its star. A few years after it was sold, it became nationally famous under a new name. Rosenthal, Ken (1943-2025), Deaths (Obituaries), Bakeries and Baked Products, Restaurants, Fast Food Industry, Bread, Mergers, Acquisitions and Divestitures, Panera Bread Company, Saint Louis Bread Co, Au Bon Pain, St Louis (Mo) He built a small chain of bakery cafes, with sourdough bread as its star. A few years after it was sold, it became nationally famous under a new name. NYT > Business
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