Barker, Roger G. (31 March 1903–10 September 1990), child psychologist and pioneer in the naturalistic study of human development in community settings, was born in Macksburg, Iowa, the second of five children of Guy and Cora Barker, whose homesteader families arrived in the Midwest in the mid-nineteenth century. Guy Barker held a series of jobs: he was a farmer; served as the manager of a town’s general store; and then worked as a mid-level executive for a small insurance company in Des Moines, before returning to farming in eastern Alberta, Canada. Shortly after his Roger Barker’s birth, his family moved to the small town of Plover, Iowa, where he spent the first seven years of his life. Children growing up in small towns would later become his professional focus....