J. R. Simplot

J. R. Simplot

John Richard ("Jack" or "J.R.") Simplot (January 9, 1909 – May 25, 2008) was the founder of the J. R. Simplot Company, an agricultural supplier specializing in potato products, based in Boise, Idaho. In 2007 he was estimated to be the 89th-richest person in America, at $3.6 billion. At the time of his death at age 99 in May 2008, he was the oldest billionaire on the Forbes 400.