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 – 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 County Coroner ...

BOISE, Idaho — Federal land managers have released a final plan for a phosphate mine with five open pits as well as reclamation work in eastern Idaho proposed by Idaho-based J.R. Simplot Company. The ...

To settle a lawsuit brought by Idaho ranchers, the J.R. Simplot agribusiness company has taken ownership of cattle allegedly harmed by a phosphate pipeline rupture. At the request of the parties ...

BOISE – A billionaire who built an agribusiness empire from the southern Idaho desert is directing what will surely be one of his last accomplishments: J.R. Simplot is constructing his mausoleum.

BOISE, Idaho – J.R. Simplot left home in 1923 at age 14 with four gold coins given to him by his mother. He ended his life as the spud king of America and one of the nation’s richest men. The Idaho ...

to ditch its genetically engineered potato, an Idaho company aims to resurrect high-tech spuds. This month, tuber processing giant J.R. Simplot Co. asked the U.S. government to approve five varieties ...

POCATELLO, Idaho (KIFI) – Pocatello’s J.R. Simplot Co. employees presented a ceremonial check in the amount of $122,242 Thursday that will provide critical support for community members in need.

Idaho State University President Robert Wagner recently toured Simplot’s facilities to view the Bengal locomotive after it received a new paint job and appeared in the Homecoming parade. The visit ...

BOISE, Idaho — An Idaho company that successfully brought genetically modified potatoes to the market announced an agreement Thursday to help a California-based plant breeding company grow ...

BOISE, Idaho (AP) — The Simplot family has announced that the hilltop mansion — offered as Idaho's governor's residence — will soon be demolished. J.R. Simplot spokesman Ken Dey, speaking on behalf of ...