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 Ecuador President of Ecuador The President of Ecuador () officially called the President of the Republic of Ecuador () serves as both the head of state and head of government of Ecuador, is the highest political office in the country as the head of the executive branch of government. As per the current Constitution, the President can serve two four-year terms. Prior to that, the president could only serve one four-year term. The current President of Ecuador is Lenín Moreno, since 24 May 2017. He was elected in 2017. The Presidency of Ecuador has been marked by periods of instability, causing