Who was First Lady during Harry S. Truman's presidency?

Which president served from 1945 to 1953? In what year did Harry S. Truman first take office as President? Who served as Vice President under Harry S. Truman? Under which president did Alben W. Barkley serve as Vice President? Bess Truman was married to which president? Which number president was Dwight D. Eisenhower? Who succeeded Dwight D. Eisenhower as President of the United States? Who was President immediately before Dwight D. Eisenhower?