C.W. Post was an American entrepreneur and inventor, best known for founding the Postum Cereal Company in the early 1900s. He created a popular caffeine-free coffee substitute called Postum, which gained widespread popularity as a healthful alternative to traditional coffee. His success in the cereal industry also led to the development of other products, including Grape-Nuts and Shredded Wheat. In addition to his business ventures, C.W. Post was a pioneer in the field of health and wellness. He promoted a balanced diet and healthy living, which influenced many Americans during his time. His legacy continues through the products that remain popular today.