Speaker of the United States House of Representatives by the President "pro tempore" of the Senate and by the heads of federal executive departments. To date, the implementation of the Presidential Succession Act has never been necessary and no Speaker has ever acted as President. Implementation of the law almost became necessary in 1973 after the resignation of Vice President Spiro Agnew. At the time, many believed that President Richard Nixon would resign because of the Watergate scandal, allowing Speaker Carl Albert to succeed to the Presidency. However, before he resigned, Nixon appointed Gerald Ford as Vice President in accordance with the Twenty-fifth Amendment. Nevertheless, the United States
Vice President of the United States H. W. Bush. In January 1961, it fell to Richard Nixon to preside over this process, and to announce the election of his 1960 opponent, John F. Kennedy. John C. Breckinridge, in 1861, and Al Gore, in 2001, have also had to announce their opponent's election. In 1969, Vice President Hubert Humphrey would have done so as well, following his 1968 loss to Richard Nixon; however, on the date of the Congressional joint session, Humphrey was in Norway attending the funeral of Trygve Lie, the first elected Secretary-General of the United Nations. The president pro tempore presided in his absence.