READ: T. Denny Sanford obituary

SIOUX FALLS, S.D. (KELO) -- Longtime philanthropist Thomas Denny Sanford died Saturday, July 18 at 90 years old. Below is his full obituary. Philanthropist Thomas “Denny” Sanford of Sioux Falls passed away peacefully on July 18, 2026. He was 90 years old. Denny, as he was known to many, was born Dec. 23, 1935, in St. [...]