Harry Snyder was a prominent American businessman best known as the co-founder of the fast-food chain In-N-Out Burger. He established the first restaurant in 1948 in Baldwin Park, California, which quickly gained popularity for its fresh ingredients and simple menu. Snyder was known for his commitment to quality and customer service, which helped shape the brand's reputation. After his passing in 1976, his wife, Esther Snyder, continued to run the business, ensuring that the company's values remained intact and contributing to its growth across the western United States.