Frank J. Kellogg

Frank Jonas Kellogg (August 4, 1845 - January 17, 1916) was an American patent medicine manufacturer, most famous for his line of Professor Kellogg's Brown Tablets (including Rengo, Malto-Fructo, and Sanitone Wafers), marketed for use in weight loss.

Reading

 * https://www.findagrave.com/memorial/16500662/frank-jonas-kellogg