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 Botswana President of Botswana The President of the Republic of Botswana is the head of state and the head of government of Botswana, as well as the commander-in-chief of the armed forces, according to the Constitution of Botswana. The president is elected to a five-year term that runs concurrently with the term of the National Assembly. Since 1997, he has been limited to a total of 10 years in office (equivalent to two full terms), even if they are nonconsecutive. Candidates for the legislature declare whom they endorse for president when they lodge their nomination papers. The candidate who receives a