John Maynard —, English economist whose works include 1930’s A Treatise on Money (6)
I believe the answer is:
keynes
(Other definitions for keynes that I've seen before include "SECOND PART OF 15" , "Milton -, new town" , "John Maynard --, English economist" , "J. M. -, Eng. economist" , "20th century economist" .)