One of Time's 100 Most Important People of the Twentieth Century, John Maynard Keynes revolutionized economic thinking with The General Theory of Employment, Interest, and Money.Published following the Great Depression, this classic challenged the established classical economics, particularly the proposition that a market economy tends naturally to restore itself to full employment on its own. More relevant than ever in the twenty-first century, the principles of the "Keynesian Revolution" continue to be debated in a world ravaged by inequitable economic circumstances. "[Keynes's] radical idea that governments should spend money they don't have may have saved capitalism."—Time

John Maynard Keynes (1883-1946) was an economist, mathematician, civil servant, educator, journalist, and a world-renowned author. His two great works, A Treatise on Money and The General Theory of Unemployment, Interest, and Money, revolutionized the study and practice of economics and changed monetary policy after World War II.