Science Advisor to the President Science Advisor to the President The Science Advisor to the President is an individual charged with providing advisory opinions and analysis on science and technology matters to the President of the United States. The first Science Advisor, Vannevar Bush, chairman of the Office of Scientific Research and Development, served Presidents Franklin Delano Roosevelt and Harry S. Truman from 1941 to 1951. President Truman created the President's Science Advisory Committee in 1951, establishing the chairman of this committee as the President's Science Advisor. This committee continued under Presidents Dwight D. Eisenhower, John F. Kennedy, Lyndon B. Johnson, and Richard M. Nixon
Oath of office of the Vice President of the United States office of President of the Senate. Up until the middle of the 20th Century, the Vice President-Elect nearly always would be sworn in by the highest-ranking officer of the US Senate which was the outgoing vice president or the President Pro Tempore of the United States Senate. Sometimes, although not always, a short address would be given by the new vice president to the Senate. The oath of office has been administered most by the President Pro Tempore of the United States Senate (last in 1925) for a total of 20 times. Others to give the oath of office include