Champions for whole grains and probiotics have a progenitor in John Harvey Kellogg, a missionary and surgeon who preached the virtues of healthy eating to his patients at the Battle Creek Sanitarium in Michigan more than century ago. Kellogg pioneered the “exercise tape,” and, with the help of his brother, cereal king W.K. Kellogg, invented corn flakes, peanut and almond butter, soy milk, and artificial coffee—cornerstones, he said, of a salubrious diet.
