sentences:  He went to the University of Alberta to study carabid beetles under George Ball, obtaining a Ph.D. in 1969 followed by a post-doctoral stint at Harvard under Philip J. Darlington Jr.He took up an entomologist position in the United States National Museum (later the Smithsonian Institution) but took a year off to study carabid beetles at the University of Lund under Carl H. Lindroth.On return in 1971, Erwin was deputed to examine the beetles of Panama.