Nominations : hearing before the Committee on Foreign Relations, United States Senate, Ninety-first Congress, first session, on the nominations of William B. Macomber, Jr., of New York, to be Under Secretary of State for Administration ; Idar Rimestad, of North Dakota, to be the Representative of the United States to the European Office of the United Nations, Geneva ; Francis G. Meyer, of Virginia, to be Assistant Secretary of State for Administration ; Graham A. Martin, of North Carolina, to be Ambassador to Italy ; and John P. Humes, of New York, to be Ambassador to Austria.