Harry M. Markowitz

 is the father of Modern Portfolio Theory (MPT) and the concept of the efficient frontier. .

Awards
In 1989, Markewitz was awarded the John von Neumann Theory Prize. The prize is "awarded annually to a scholar (or scholars in the case of joint work) who has made fundamental, sustained contributions to theory in operations research and the management sciences."

In 1990, Markewitz was awarded the Nobel Memorial Prize in Economics.