It was 1979 when potato king J.R. Simplot built a 7,370-square-foot, Mediterranean-style mansion atop a prominent hill in the Boise Highlands. Although the mansion has since been demolished, Simplot’s ...

BOISE, Idaho (AP) -- Billionaire J.R. Simplot, the spud king of America whose wealth also helped create one of the world's biggest computer chip makers, died Sunday at his Boise home. He was 99. Ada ...

Add Yahoo as a preferred source to see more of our stories on Google. This story was updated Tuesday, April 1, to add two paragraphs of comment from the city of Boise. Change may be coming soon to ...

BOISE Idaho J.R. “Jack” Simplot, the founder of restaurant-industry supplier J.R. Simplot Co. and a key figure in the early growth of quick-service chains like McDonald’s, died peacefully at his home ...

In 2023, the J.R. Simplot Company (Simplot) estimated 1,000 — 1,500 cubic yards (201,974 — 302,961 gallons) of phosphate ore ...

FARGO, N.D. -- Twenty years after scientists at North Dakota State University were among the first to conduct genetically modified potato research trials in the U.S., J.R. Simplot Co. has received U.S ...

J.R. Simplot Co. is planning a $30 million expansion to its north Grand Forks potato processing plant, according to a city memo, though a company employee said corporate approval is still pending.