On today's date in 1881, Lorenzo Delmonico — New York's most famed restaurateur of the time — died at the age of 68. Lorenzo came to America from his native Switzerland exactly 50 years earlier to help his uncles John and Peter with their restaurant, Delmonico's, New York's first restaurant. In 1842 at the age of 29, Lorenzo inherited the family business.
His innate ability to manage the restaurant, combined with his keen knack for understanding the constant flux that is New York City, gave Lorenzo and his restaurants unmatched confidence. During his reign as New York's culinary extraordinaire, he opened many more Delmonico's and hired the best chefs who created dishes such as Eggs Benedict and Lobster Newburg .
His success is due in part to his business philosophy that the customer must always be happy and the ingredients are of the highest quality. Today the legacy that Lorenzo Delmonico built lives on at the current restaurant  and Emeril's Delmonico restaurant  in New Orleans.
Source: Steak Perfection 
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