The Kellogg brothers were part of the first health movement in

Dr. John Harvey Kellogg (1852-1943) was a Seventh-day Adventist and vegetarian. He recommended a plain diet for medical and moral reasons. His belief was that a diet high in fat and protein, white bread, coffee and tea, as well as the use of tobacco, could not produce a person chaste in thought.
Dr. Kellogg was appointed the superintendent of a sanitarium in Battle Creek, Michigan. He believed the average invalid was suffering from bad intestinal flora and needed less protein and more roughage in his diet. He placed the patients on a strict and bland diet based on

Will Keith Kellogg (1860-1951), better known as W.K. Kellogg, was the younger brother of Dr. John Harvey Kellogg and a clerk in the Battle Creek sanitarium. He assisted his brother in the search for new cereal products to support the vegetarian diet they both endorsed. W. K. Kellogg is the most famous since it is he who began the Kellogg’s company in 1906. He relentlessly set forth to package, advertises, market, and sell their cereal products.

Food History