Nebraska Billionaire, Philanthropist Walter Scott Dies at 90

Leslie Jackson (R), wife of glass artist Dale Chihuly, sits next to philanthropist Walter Scott, during a ceremony at the Fred & Pamela Buffett Cancer Center in Omaha, Neb., on May 19, 2017. AP Photo/Nati Harnik

OMAHA, Neb.—Billionaire Walter Scott, the past top executive of Peter Kiewit Sons Inc. construction firm who helped oversee Warren Buffett’s conglomerate and donated to various causes, particularly construction projects around Omaha, has died. He was 90.