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
Secretary to the President of the United States the White House" and appropriated for its incumbent a salary of $2,500. The first man to hold such office officially and to be paid by the Government instead of by the President, was Buchanan's nephew J. B. Henry. By Ulysses S. Grant's presidency, the White House staff had grown to three. By 1900, the office had grown in such stature that Congress elevated the position to "Secretary to the President", in addition to including on the White House staff two assistant secretaries, two executive clerks, a stenographer, and seven other office personnel. The first man to hold the office of