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
Office of the President of the Philippines first Executive Order as president. The Office of the President's mandate is to provide administrative, advisory, consultative and other support services to the President in the latter’s exercise of their powers and functions as Head of State and of the Executive Branch. The executive powers of the President under the 1987 Constitution from which the Office of the President mandate emanates, includes among others the President’s power of control over all the executive departments, bureaus and offices, and the chief executive departments, bureaus and offices, and the Chief Executive’s Constitutional duty to ensure that the laws are faithfully executed. Based