JR Simplot
Entrepreneur
Billionaire agricultural supplier who specialized in potato products and founded the J. R. Simplot Company.
He worked as a farmer at age 14.
He was the only American billionaire on the Forbes 400 list who was an eighth-grade dropout. He was also the oldest in 2008 at age 99.
He was married to Esther Becker in 1972 and stayed with her until his death.
He and Warren Buffet were on the Forbes 400 list in 2007, although Buffet was much farther up the list.