Science Advisor to the President War II by President Franklin Delano Roosevelt. Vannevar Bush chaired this office through Roosevelt's death in 1945, and continued under Roosevelt's successor Harry S. Truman until 1951. After the war, President Harry S. Truman replaced the OSRD with the Science Advisory Committee in 1951. The office was moved to the White House on November 21, 1957, by President Dwight D. Eisenhower to provide advice and recommendation in response to the Space Race started by the USSR's launch of the first artificial Earth satellite, Sputnik 1. President Richard M. Nixon eliminated the PSAC in 1973, rather than appointing a replacement for
President of the Continental Congress of Congress "bore no relationship" to the later office of President of the United States. As historian Edmund Burnett wrote: President of the Continental Congress The President of the Continental Congress was the presiding officer of the Continental Congress, the convention of delegates that emerged as the first (transitional) national government of the United States during the American Revolution. The president was a member of Congress elected by the other delegates to serve as a neutral discussion moderator during meetings of Congress. Designed to be a largely ceremonial position without much influence, the office was unrelated to the later office