Paul Higgs is Professor of Sociology of the Ageing in the Division of Psychiatry at University College London, UK, and Chris Gilleard is a Visiting Research Fellow in the Division of Psychiatry at University College London, UK. Both are internationally recognised social theorists of ageing and old age whose previous books include Cultures of Ageing (2000), Contexts of Ageing (2005) and Ageing, Corporeality and Embodiment (2013).