For some background on the author of an interesting 1958 dissertation at Iowa City (on "economic doctrine" in Mexico), I am trying to learn something about the economics department there between 1935 and 1960, particularly who (if anyone) then taught the history of economic thought. From a discussion on this list a couple of years ago I saw that Frank Knight had taught such history from 1919 to 1928. Does anyone know who were the major figures or what were the major influences in the department (Henry Wallace aside) from say 1930 to 1960, and who succeeded Knight in teaching the history of the discipline? John Womack