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 of the United States. He was an executive with the New York, New Haven and Hartford Railroad. He served as president of the Connecticut Manifold Forms Company until 1960, when he reopened the Plymouth Cheese Corporation in Plymouth at the historic village. He helped start the Coolidge Foundation and his gifts of buildings, land, and artifacts were instrumental in creating the President Calvin Coolidge State Historic Site. Well into his 80s, Coolidge was seen shuttling back and forth from his home near the Calvin Coolidge Historical Site to collect his mail at the old post office located on the historic