Frank and Millie Denholm riding in a red convertible in the Augustana College Viking Days parade in Sioux Falls, South Dakota. Frank is waving to parade spectators. There is a young girl standing in the back seat next to Frank.

Frank and Millie Denholm riding in a red convertible, waving at spectators in the Augustana College Viking Days parade in Sioux Falls, South Dakota.

Frank and Millie Denholm riding in a red convertible, waving at spectators in the Augustana College Viking Days parade in Sioux Falls, South Dakota.

Frank and Millie Denholm riding in a red convertible, waving at spectators in the Augustana College Viking Days parade in Sioux Falls, South Dakota.

People supporting the Goldwater-Miller ticket during the 1964 United States Presidential campaign at a rally in Sioux Falls, South Dakota

Representative Ben Reifel and Lawrence Welk

Representative Ben Reifel and Senator Karl Mundt standing behind vice president candidate William Miller at a podium at a Republican campaign rally in Sioux Falls, South Dakota

Vice presidential candidate William Miller walking next to a man on the airstrip at Joe Foss field in Sioux Falls, South Dakota

Vice presidential candidate William Miller deboarding a plane at Joe Foss Field in Sioux Falls, South Dakota

Vice presidential candidate William Miller speaking at a podium at a Republican campaign rally in Sioux Falls, South Dakota