Organization European Science Foundation

University of Tübingen

University of Kiel

German National Science Foundation

International Union of Geological Sciences

University College London

Mullard Space Science Laboratory

International Astronomical Union

Royal Society

Academia Europaea

Royal Society (Fellow)

Royal Academy of Medicine (founding fellow)

Learned Society of Wales (founding fellow)

Royal College of Physicians (Honorary Fellow)

Royal College of Physicians of Edinburgh (Fellow)

Sustainable Europe Research Institute

Stockholm Environment Institute

Wuppertal Institute for Climate, Environment and Energy

International Institute for Applied Systems Analysis

International Human Dimensions Programme on Global Environmental Change

University of Bern

International Academy of Astronautics

Academia Scientiarum et Artium Europaea

Academia Europaea

Swiss Academy of Sciences

European Space Agency

Edinburgh University (chemistry lecturer | 1960-1970)

Unilever Research Laboratories (Colworth House | Bedfordshire | 1970)

Medical Research Council (MRC | 1980 | head | 1987-1996)

National Institute for Medical Research (NIMR | Mill Hill | London | head | 1982)