"In the spring of 1934, Virginia Woolf sketched an affectionate three-page "biographical fantasy" of her great friend, John Maynard Keynes, attempting to encompass no less than 25 themes, which she jotted down at its opening: "Politics. Art. Dancing. Letters. Economics. Youth. The Future....

"The Great Recession of 2008 restored John Maynard Keynes to prominence. After decades when the Keynesian revolution seemed to have been forgotten, the great British theorist was suddenly everywhere. The New York Times asked, "What would Keynes have done?" The Financial Times wrote of "the...