Chris Beckett studied Psychology at Bristol University and qualified as a social worker at Bangor, North Wales, in 1980, going on to work for eighteen years as a social worker and social work manager, and then for fifteen years as a social work lecturer at Anglia Ruskin University and the University of East Anglia. He has had a parallel career for some time as a writer of fiction and is now a full-time writer. His novel, Dark Eden was the winner of the Arthur C. Clarke award for 2012.

Nigel Horner is Head of the School of Health and Social Care at the University of Lincoln, where he teaches social work history, theory and methods, residential child care and ageing and older people. He began working in a London Borough Children's Home in 1972, before studying Sociology at Durham University. After a period as a Community Worker, he qualified in Social Work from Glasgow University in 1980, and thereafter worked in Mental Health, Child and Adolescent Mental Health Services, Fostering and Youth Offending settings. He is also a Senior Fellow in the Higher Education Academy.