In 1916, Polish immigrant Nathan Handwerker opened his hot dog stand on Coney Island, selling them for just five cents. To stand out and combat public concern over the quality of street food, he devised a brilliant marketing strategy. He hired men to wear white coats, making them look like doctors from the nearby Coney Island Hospital. These 'doctors' would then eat the hot dogs in front of crowds of potential customers. The visual endorsement worked, creating a perception of healthiness and tru