Migrant architects of the NHS draws on forty-five oral history interviews and extensive archival research to offer a radical reappraisal of how the National Health Service was made. It tells the story of migrant South Asian doctors who became general practitioners in the NHS. Imperial legacies, professional discrimination and an exodus of UK-trained doctors combined to direct these doctors towards work as GPs in some of the most deprived parts of the UK. In some areas, they made up over half of the general practitioner workforce. The NHS was structurally dependent on them and they shaped British society and medicine through their agency. Aimed at students and academics with interests in the history of immigration, immigration studies, the history of medicine, South Asian studies and oral history. It will also be of interest to anyone who wants to know more about how Empire and migration have contributed to making Britain what it is today.