Keynes originally published his Essays in Biography in 1933. After his death, Rupert Hart-Davies reprinted the volume, adding, with the help of Sir Geoffrey Keynes (Keynes's brother), “three of the more important of Keynes's later writings – the essays on … Jevons and Newton and his...

The paper considers Keynes's major contributions before "The General Theory", namely "A Tract on Monetary Reform" and "A Treatise on Money", and shows that they were close to the views which Friedman would later develop. However, "The General Theory of Employment, Interest and Money" represented...