Calvin Coolidge to work jointly with Edward T. Clark, a Massachusetts Republican organizer whom he retained from his vice-presidential staff, as Secretaries to the President (a position equivalent to the modern White House Chief of Staff). Perhaps the most powerful person in Coolidge's Cabinet was Secretary of the Treasury Andrew Mellon, who controlled the administration's financial policies and was regarded by many, including House Minority Leader John Nance Garner, as more powerful than Coolidge himself. Secretary of Commerce Herbert Hoover also held a prominent place in Coolidge's Cabinet, in part because Coolidge found value in Hoover's ability to win positive publicity with
John Coolidge John Coolidge John Calvin Coolidge III (September 7, 1906 – May 31, 2000) was an American executive, businessman, and entrepreneur with the New York, New Haven and Hartford Railroad, and the first son of President Calvin Coolidge and Grace Coolidge. John Coolidge was born in Northampton, Hampshire County, Massachusetts, on September 7, 1906. He was the elder of the two children of Calvin Coolidge (1872–1933), the 30th President of the United States from 1923 to 1929 and Grace Anna Goodhue (1879–1957), First Lady of the United States from 1923 to 1929. In his autobiography, Calvin Coolidge recorded his impressions of