Color postcard showing a photo of the factory at the Kellogg Toasted Cornflake company. The Kellogg Toasted Corn Flake Company was founded in 1906 by W. K. Kellogg, using a process developed at the Battle Creek Sanitarium of soaking grain and then rolling and baking it to provide a thin, toasted flake which was marketed as a healthy alternative breakfast food Caption on front: Home of Kellogg Co., Battle Creek, Mich. -29 The Largest Manufacturers of Ready-to-eat Cereal Foods in the World