William Keith Kellogg was born in 1860. He is credited with inventing the breakfast cereal now known as cornflakes and, of course, a brand of which still bears his family name. He was working as an assistant to his brother John Harvey Kellogg whose focus was on nutritional disorders. Kellogg's brother was a nutritionist and director of a hospital specializing in that field. In 1894 William discovered a process for making flakes out of grains such as maize. Both of the brothers were Seventh Day Adventists and part of the sect's teaching included adopting a vegetarian diet. Therefor both had a personal interest in developing foodstuffs from plant products. The process was fully operation by the turn of the century and in 1906 William formed a company to produce and market cornflakes as a healthy breakfast option. The company was known as the Battle Creek Toasted Corn Flake Company until being transformed into Kellog's in 1922.
Dr. John Harvey Kellogg, the superintendent of The Battle Creek Sanitarium in Battle Creek, Michigan invented Cornflakes.The story goes that Kellogg was trying to improve the vegetarian diet of his hospital patients. Whilst he was boiling wheat to try to make an easily digestible substitute for bread, Kellogg accidentally left a pot of boiled wheat to stand and become tempered. When it was put through a rolling process, the grains of wheat emerged as large, thin flakes. When the flakes were baked, they became crisp and light, creating the corn flake. He patented his product on 31 May 1884.The cornflake still had a way to go before being perfected. John Kellogg, with his brother Will Keith Kellogg, started the Sanitas Food Company to produce their whole grain cereals around 1897. The brothers argued over the addition of sugar to the cereals, so in 1906, Will started his own company called the Battle Creek Toasted Corn Flake Company, which eventually became the Kellogg Company.
According to Stephen Fry on Q.I, he said that apparently William Kellogg thought that the flakes could be stuck to the hands of people to help stop them masturbating. The reason he wanted to help people stop masturbating is because he was an Evangelist, and in the Evangelists religion, it was considered to be a sin. So he glued the flakes of corn onto peoples hands to help them avoid temptation. The way that the flakes were found out to taste good is from a farm labourer who discovered that they taste good after milking the cows.