President-elect of the United States the 25th Amendment. The first instance was in 1973, when Gerald Ford was nominated by President Richard Nixon to succeed Spiro Agnew, who had resigned. The second came in 1974, when Ford, who had succeeded to the presidency following Nixon's resignation, nominated Nelson Rockefeller to succeed him. During both vacancies, the nominee was called Vice President-designate, instead of Vice President-elect, as neither had been elected to the office. As a result of these events, the nation has had two more Vice Presidents than it has had Vice President-elects. While he is currently the 48th U.S. Vice President, Mike Pence was
Vice President of the United States Cabinet meetings in his absence. Nixon was also the first vice president to formally assume temporary control of the executive branch, which he did after Eisenhower suffered a heart attack on September 24, 1955, ileitis in June 1956, and a stroke in November 1957. Until 1961, vice presidents had their offices on Capitol Hill, a formal office in the Capitol itself and a working office in the Russell Senate Office Building. Lyndon B. Johnson was the first vice president to be given an office in the White House complex, in the Old Executive Office Building. The former Navy Secretary's office