Who was British prime minister from 1945 to 1951?

In which 1944 film does Lauren Bacall say, "You know how to whistle, don't you, Steve? You just put your lips together… Who was elected U.S. president in 1944? The 1944 Bretton Woods Conference resulted in the creation of the World Bank and which fund? Heisman winners Doc Blanchard (1945) and Glenn Davis (1946) played for which service academy? Which 1945 book includes the line "All animals are equal, but some animals are more equal than others"? The 1945 Spingarn Medal went to which actor, singer and activist, who had been a football All-American at Rutgers? Complete the title of the 1945 film: "___ and the Amazons". Which composer won the 1945 Pulitzer Prize for Music for "Appalachian Spring"?