sentences:  Four years earlier his wife had given him Wensleydale general practitioner William Pickles' then new book "Epidemiology in Country Practice", detailing the epidemiological research of common diseases which could be carried out by a general practitioner.Hope-Simpson modelled his approach on this, and he exchanged visits with Pickles.Only a year after starting at Cirencester, he transformed his practice (housed in an eighteenth-century cottage in the high street) into Cirencester Research Unit which was funded by the Public Health Laboratory Service 1947–1973 and the Department of Health and Social Security 1973-1981.