title: Introduction.
authors.affiliation: British Geriatrics Society Consultant Geriatrician at Guys and St Thomas' NHS Foundation Trust Professor of Medical Gerontology, King's College London.
authors.forename: Finbarr C
authors.initials: FC
authors.lastname: Martin
authors.forename: Paul
authors.initials: P
authors.lastname: Knight
mesh_terms: D000367:Age Factors; D000375:Aging; D000846:Anniversaries and Special Events; D035843:Biomedical Research / Q000266:history; D005853:Geriatrics / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D010506:Periodicals as Topic / Q000266:history; D012955:Societies, Medical