تعريف john harvey and will keith kellogg في الإنجليزية الإنجليزية القاموس.
born Feb. 26, 1852, Tyrone, Mich., U.S. died Dec. 14, 1943, Battle Creek born April 7, 1860, Battle Creek died Oct. 6, 1951, Battle Creek U.S. breakfast-cereal manufacturers. John was a physician and vegetarian who in 1876 helped found a Seventh-Day Adventist sanitarium in Battle Creek, Mich. There he developed various nut and vegetable products, including a flaked-wheat cereal to serve to patients, one of whom was C.W. Post. John's younger brother, W.K., founded the W.K. Kellogg Co. in 1906 to manufacture dry breakfast cereals, cornflakes being its sole product in the early years. It soon became a leading U.S. producer of these and other convenience foods; its current annual sales exceed $9 billion. The W.K. Kellogg Foundation is one of the country's largest philanthropic institutions