He taught briefly at Swarthmore College , but beyond that he worked for museums , government agencies and research agencies .
Harper received an A.B. in 1914 and a Ph. D. in 1925 from Cornell University .
Harper taught briefly at Swarthmore College , but beyond that Harper worked for museums , government agencies and research agencies .
Harper received an A.B. in 1914 and a Ph. D. in 1925 from Cornell University .