William Post, who played a key role in developing Pop-Tarts, dies at 96

William Post, a Michigan man who played an important role in the development of Pop-Tarts, has died at age 96. Post died Saturday, according to a family obituary that provided no details about how he died. According to the family, Post retired at age 56 as a senior vice president with the Keebler Company and settled in Glen Arbor, Michigan. Kellanova, formerly known as Kellogg Co., said in a statement Wednesday that Post “played an important role in co-creating the iconic Pop-Tarts brand." Pop-Tarts debuted in 1964 in Cleveland, Ohio, before the toaster pastry was released nationwide the following year, Kellanova’s website states.