T. Denny Sanford Cause of death: Chief bank boss, SD’s richest man, net worth $2.1 billion, died at the age of 90
T. Denny Sanford, First Premier Bank of south dakotaDied at the age of 90. South Dakota Governor Larry Rhoden announced the banking giant’s death via a press release on Saturday, July 18. cause of death No announcement. T Denny Sanford, owner of…