Two years later he received his M.A. Degree from the University t of Uiunesota. During the follow- r ing years lie held a position as t professor of history and sociology at the Minnesota Bible College. In i Addition ho lias had four years of graduate work meluding three years at the University of Chicago from 19291931 a id one year at lt;the University of Illinois, from 1 where he received his Ph.D. «lc*N greo.