"Happy days are here again." That was the rallying cry of a nation picking itself up from the black gloom of the Great Depression with the election of Franklin Delano Roosevelt. Roosevelt left an indelible stamp on America and the Oval Office - many have gone so far as to call him the father of the [...]

Catapulted into national politics by his heroic campaigns to feed Europe during and after World War I, Herbert Hoover - an engineer by training - exemplified the economic optimism of the 1920s. As president, however, Hoover was sorely tested by America's first crisis of the twentieth century: the Gr[...]