An academic mind, 1889-1922
American financier, 1922-1932
Civil servant, 1932-1935
A new boss, 1935-1939
Preparing for war, 1939-1940
Dark days, 1940-1941
Mobilizing the nation, 1941-1942
Building a brave new world, 1942-1943
Getting the job done, 1944-1945
The postwar world and new beginnings, 1946
The trials of prosperity, 1947-1949
The end of an era, 1950-1952
Conclusion.