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 Manhattan Project, leading Truman to remark, wryly, that the job of the Vice President was to "go to weddings and funerals." As a result of this experience, Truman, after succeeding to the presidency upon Roosevelt's death, recognized the need to keep the Vice President informed on national security issues. Congress made the vice president one of four statutory members of the National Security Council in 1949. The stature of the vice presidency grew again while Richard Nixon was in office (1953–1961). He attracted the attention of the media and the Republican party, when Dwight Eisenhower authorized him to preside at