Background
Cook was born Willis Clifford Cook on October 5, 1874, to Alfred and Sarah Cook in Gratiot, Wisconsin.
Cook was born Willis Clifford Cook on October 5, 1874, to Alfred and Sarah Cook in Gratiot, Wisconsin.
He died in 1942. Cook was County Judge of Aurora County, South Dakota from 1900 to 1902. He was Chairman of the Republican Party of South Dakota from 1906 to 1912 and a Republican National Committeeman from 1916 to 1920. From 1921 to 1929 he was United States. Minister to Venezuela.
Later he was a member of the South Dakota State Senate from 1905 to 1909.