Who was John Maynard Keynes? Was he the bookish Cambridge don who penned ambitious theories to overturn the tenets of economics and political liberalism? Or was he Baron Keynes of Tilton, the ardent imperialist who viewed British rule as a benevolent force bringing justice, liberty, and prosperity to the societies it administered? Was he a meticulous Lothario who kept lists of his hookups with anonymous men on notecards? Was he also a political statesman who lambasted the intransigency of his colleagues during fraught negotiations in two world wars?