Dr. David Hunter is a professor of epidemiology and medicine at the University of Oxford, a professor emeritus at the Harvard T.H. Chan School of Public Health, and a statistical editor at the Journal. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. D.J. Hunter. The Complementarity of Public Health and Medicine — Achieving “the Highest Attainable Standard of Health”. N Engl J Med 2021;