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 Bolivia from among the top two candidates (prior to 1995, the top three candidates were eligible). The current President of Bolivia is Evo Morales, since 22 January 2006. He was elected in 2005, and reelected in 2009 and again in 2014. On 17 October 2015, Morales surpassed Andrés de Santa Cruz's nine years, eight months, and twenty-four days in office to become the president with the longest unbroken term in office. Morales surpassed Víctor Paz Estenssoro, who previously served as the longest-serving president with just over 12 years in office, but these terms were nonconsecutive. During its more than 192 years