John Harvey Kellogg was a prominent American physician, nutritionist, and health advocate born in 1852. He is best known for his work promoting vegetarianism and holistic health practices during the late 19th and early 20th centuries. Kellogg was a prominent figure at the Battle Creek Sanitarium in Michigan, where he focused on diet, exercise, and natural therapies to improve health and prevent disease. Kellogg was also an innovative food scientist, instrumental in developing breakfast...