We have had the benefit of written submissions, oral discussions and advice from the following people. With the authors’ permission, written submissions are published in full here.

Richard Bartholomew. Former joint head of government social research

Professor Sir John Beddington. Professor of applied population biology, Imperial College London; Senior Adviser, Oxford Martin School, University of Oxford; former government chief scientific adviser

Professor Virginia Berridge Professor of history and director, Centre for History in Public Health, London School of Hygiene and Tropical Medicine (written submission)

Nicola Blackwood MP. Chair, House of Commons science and technology select committee

Sir Iain Chalmers. Coordinator, James Lind Initiative; founding member of Cochrane Collaboration and Campbell Collaboration

Professor David Coggon. Professor of occupational and environmental medicine, University of Southampton

Tim Colbourne. Director of policy, Open Reason; former special adviser and deputy chief of staff to deputy prime minister Nick Clegg MP

Professor Brian S Collins. Professor of engineering policy and director, International Centre for Infrastructure Futures, UCL; former chief scientific adviser, Departments of Business, Innovation and Skills, and Transport

Professor Dame Sally Davies. Chief medical officer for England, Department of Health; emeritus professor, Imperial College London

Fiona Fox. Chief executive, Science Media Centre (written submission)

Dr Emma Gordon. Head of government economic and social research, HM Treasury

Dr Michael Hallsworth. Director, health & tax, Behavioural Insights Team

Deborah Hargreaves. Director, High Pay Centre; chaired High Pay Commission

Rod Harrison. Senior principal research officer, Scottish government

Professor Marianne Hester. Professor of gender, violence & international policy, University of Bristol

Ed Humpherson. Head of assessment, UK Statistics Authority

Dr Julian Huppert. Former MP

Dr Eric Jensen. Associate professor, University of Warwick

Dr Daniel Lambauer. Director for value for money development, National Audit Office

Rt Hon David Laws. Former minister of state for schools, minister of state for Cabinet Office and chief secretary to the Treasury; executive chairman, CentreForum

Dr Tim Leunig. Chief scientific adviser, Department for Education

Sofia Lind. Senior journalist, Pulse

Catherine Luckin. Head of international, Academy of Medical Sciences

Simon Luker . Department for Environment, Food and Rural Affairs

Dr Audrey MacDougall. Chief researcher and head of Education Analytical Services Division, Scottish government

Dr Steven Marshall. Chief social research officer, Welsh government

Dr Jonathan Mendel. Lecturer, University of Dundee (written submission)

Andrew Miller. Former MP and chair of the House of Commons science and technology select committee

Rachel Muckle. Social scientist and research programme manager, Department for Environment, Food and Rural Affairs

Dr Kathryn Oliver. Departmental lecturer in evidence-based social intervention and policy evaluation, University of Oxford

Nicola Perrin. Head of policy, Wellcome Trust

Vicky Petrie. Head of research, Department for Education

Jonathan Portes. Principal research fellow (former director), National Institute of Economic and Social Research; former chief economist, Cabinet Office & Number 10 Downing Street (written submission)

Nigel Praities. Editor, Pulse

Becky Purvis. Head of public affairs, Royal Society

Sir Venki Ramakrishnan. President of the Royal Society (written submission)

Dr Brooke Rogers. Reader in risk and terror, Kings College London

Steve Rolles. Senior policy analyst, Transform Drug Policy Foundation

Jill Rutter. Programme director, Institute for Government

Dr Michael Sanders. Chief scientist and head of research and evaluation, Behavioural Insights Team; post-doctoral research fellow, Harvard Kennedy School of Government; research associate, Centre for Market and Public Organisation, University of Bristol

Dr Andrew Steele. Co-founder, Scienceogram; post-doctoral researcher, Francis Crick Institute

Dr Christian van Stolk. Director, RAND Europe

Professor Roger Tarling. University of Surrey; former head of Home Office Research and Planning Unit

Dr Suzanne Taylor. Research fellow, London School of Hygiene and Tropical Medicine (written submission)

Jane Tinkler. Head of social science, Parliamentary Office of Science and Technology

Dr Arnaud Vaganay . Research associate, London School of Economics and Political Science

David Walker. Former head of policy, Academy of Social Sciences (written submission)

Professor Sir Mark Walport. Government chief scientific adviser, Government Office for Science (written submission); honorary distinguished professor of medicine, Imperial College London

Professor Jeremy Watson. Professor of engineering systems and vice-dean, Faculty of Engineering Sciences, UCL; chief scientist and engineer, Building Research Establishment; former chief scientific adviser, Department for Communities and Local Government

Naomi Weir. Assistant director, Campaign for Science and Engineering

Professor James Wilsdon. Professor of research policy, Department of Politics and director of impact and engagement, Faculty of Social Sciences, University of Sheffield

Dr Sarah Wollaston MP. Chair, House of Commons health select committee