John Maynard Keynes, 1st Baron Keynes

John Maynard Keynes, an English economist, founder of Keynesian economic theory. In addition, Keynes created an original theory of probability, is not associated with axiomatical Laplace, P. von Mises or Kolmogorov, based on the assumption that the probability is a logical rather than numeric.

-«The most difficult thing in this world is not to convince people to accept new ideas, and make them forget the old ones.»