June 5, 2021 marks the 40th anniversary of the first report of AIDS cases and the onset of the American AIDS epidemic. In a new, thought-provoking paper in the New England Journal of Medicine, Professor Ronald Bayer and co-author Gerald Oppenheiner capture the experiences of the physicians who were central to the AIDS epidemic. In the words of the doctors, they relay what it meant to look back after 40 years and how they “aged together.”