Samuel Brittan is one of Britain's most eminent economic authors and journalists. Since 1966 he has been an economic commentator for the Financial Times where he also served as Assistant Editor.

Ian Byatt is a former Director General of the Office of Water Services for England and Wales, before which he was Deputy Chief Economic Adviser in HM Treasury. He is currently Chairman of the Water Industry Commission for Scotland.

Freeman Dyson FRS, a world-renowned theoretical physicist, is Professor Emeritus at the Institute of Advanced Study in Princeton where he held a chair for many years. He is the author of numerous widely read science books.

Christian Gerondeau is a leading transport policy expert and the author of the Paris Area Railway Master Plan. He later became President of the French Federation of Motor Clubs and the French Institute for Public Policy and is currently President of Mobility and the Environment.

David Henderson was formerly Head of the Economics and Statistics Department of the Organisation for Economic Cooperation and Development (OECD) in Paris. He is currently a Fellow of the Institute of Economic Affairs in London.

Terence Kealey, a medical biochemist, is Vice-Chancellor of the University of Buckingham. His latest book is entitled Sex, Science and Profits.

Anthony Kelly FRS, a metallurgical scientist, was formerly Vice-Chancellor of the University of Surrey. He is a former Founding Fellow, and currently a Life Fellow, of Churchill College, Cambridge.

Richard Lindzen is the Alfred P. Sloan Professor of Meteorology at the Massachusetts Institute of Technology. He is known for his work on the dynamics of the middle atmosphere, atmospheric tides and ozone photochemistry, and has published more than 200 books and scientific papers.

Alan Peacock was Professor of Economics at Edinburgh, York and Buckingham University where he became its first Vice Chancellor. He served at one stage as Chief Economic Adviser of the UK Department of Trade and Industry.

Ian Plimer is Professor of Mining Geology at the University of Adelaide. He has published 60 academic papers and six books. His latest book, recently published, is entitled Heaven and Earth - Global Warming: The Missing Science.

Gwyn Prins is Professor of at the London School of Economics and the director of the LSE Mackinder Programme for the Study of Long Wave Events. He has published extensively on climate change issues.

Paul Reiter is Professor of Medical Entomology at the Pasteur Institute in Paris, France, and widely respected specialist in the epidemiology and control of mosquito-borne diseases.

Philip Stott is Professor Emeritus of Biogeography at the School of Oriental and African Studies, University of London, and a former editor of the Journal of Biogeography.

Richard Tol is a Research Professor at the Economic and Social Research Institute, Dublin, Ireland, where he is responsible for the research areas energy and environment. He is an editor of the journal Energy Economics.

David Whitehouse, who has a doctorate in astrophysics, was successively BBC Science Correspondent and Science Editor BBC News Online. He is the author of a number of books on solar system astronomy and the history of astronomy.