LAINSON, Professor Ralph OBE. [1982] Ex-Director of the Wellcome Parasitology Unit, Instituto Evandro Chagas, Belém, Brazil. Professor, Honoris Causa, of the Federal University of Pará, Brazil. Departmento de Parasitologia, Instituto Evandro Chagas, Avenida Almirante Barroso 492, 66090-000 Belém, Pará, Brazil. Fax 55 (0) 91 226 1284.

LAL, Professor Devendra.[1979] Professor in the Scripps Institution of Oceanography, La Jolla, USA. Geological Research Division, Scripps Institution of Oceanography, University of California at San Diego, La Jolla, California 92093-0220, USA. (Tel: +1 (619) 534-1829 and 2134; email: dlal@ucsd.edu; Fax: +1 (619) 534-0784); and 4445 via Precipicio, San Diego, California 92122-1590, USA. (Tel: +1 (619) 587-1535)

LAMB, Professor Trevor David.[1993] Professor of Neuroscience in the University of Cambridge. Physiological Laboratory, Downing Street, Cambridge, CB2 3EG. (Tel: (01223) 333856; email: TDL1@cam.ac.uk; Fax: (01223) 333840);

LAMBECK, Professor Kurt. [1994] Professor of Geophysics in the Research School of Earth Sciences, Australian National University, Canberra. Research School of Earth Sciences, Australian National University, Canberra.

LAND, Professor Michael Francis.[1982] Professor of Biological Sciences in the University of Sussex. School of Biological Sciences, University of Sussex, Lewes Road, Brighton, BN1 9QG. (Tel: (01273) 678505; email: m.f.land@sussex.ac.uk; Fax: (01273) 678535); and White House, Cuilfail, Lewes, East Sussex, BN7 2BE. (Tel: (01273) 476780)

LANE, Dr Anthony Milner.[1975] Formerly Deputy Chief Scientific Officer at the Atomic Energy Research Establishment, Harwell. 6 Walton Street, Oxford, OX1 2HG. (Tel: (01865) 556565)

LANE, Sir David Philip.[1996] Professor of Molecular Oncology and Gibb Fellow of the Cancer Research Campaign in the University of Dundee. CRC Laboratories, Department of Biochemistry, University of Dundee, Dundee, DD1 4HN. (Tel: (01382) 344982; email: d.p.lane@dundee.ac.uk; Fax: (01382) 224117)

LANG, Professor Andrew Richard.[1975] Senior Research Fellow and Emeritus Professor of Physics in the University of Bristol. H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol, BS8 1TL. (Tel: (0117) 928-8954; email: A.R. Lang@bristol.ac.uk; Fax: (0117) 925-5624); and 1B Elton Road, Tyndalls Park, Bristol, BS8 1SJ. (Tel: (0117) 973-9784). Medal: Hughes (1997).

LANGLANDS, Professor Robert Phelan.[1981]

LAPPERT, Professor Michael Franz.[1979] Research Professor of Chemistry in the University of Sussex. School of Chemistry, Physics and Environmental Sciences, University of Sussex, Falmer, Brighton, BN1 9QJ. (Tel: (01273) 678316; email: m.f.lappert@sussex.ac.uk; Fax: (01273) 677196); and 4 Varndean Gardens, Brighton, BN1 6WL. (Tel: (01273) 503661)

LASKEY, Professor Ronald Alfred. [1984] Charles Darwin Professor of Animal Embryology in the University of Cambridge. Wellcome CRC Institute of Cancer and Developmental Biology, Tennis Court Road, Cambridge, CB2 1QR. (Tel: (01223) 334106; email: ral19@mole.bio.cam.ac.uk; Fax: (01223) 334089). Council Service: 1988-90

LAUGHTON, Sir Anthony (Seymour).[1980] Senior Visiting Research Fellow, Southampton Oceanography Centre, and formerly Director, Institute of Oceanographic Sciences, Godalming. Southampton Oceanography Centre, Empress Dock, Southampton, SO14 3ZH. (Tel: (01703) 596666); and Okelands, Pickhurst Road, Chiddingfold, Surrey, GU8 4TS. (Tel: (01428) 683941). Council Service: 1986-87.

LAUNDER, Professor Brian Edward.[1994] UMIST Research Professor in the University of Manchester Institute of Science and Technology. P.O. Box 88, Sackville Street, Manchester, M60 1QD. (Tel: (0161) 200-3700; email: brian.launder@umist.ac.uk; Fax: (0161) 200-3723); and 11 Elm Road, Manchester, M20 6XB. (Tel: (0161) 445-2511)

LAVER, Professor William Graeme.[1987] Professor in the John Curtin School of Medical Research in the Australian National University, Canberra. John Curtin School of Medical Research, GPO Box 334, Canberra, ACT 2601, Australia. (Tel: +61(0) (2) 6249-2397; email: graeme.laver@anu.edu.au; Fax: +61(0) (2) 6249-0735 and 249-2337); and Barton Highway, Murrumbateman, New South Wales 2582, Australia. (Tel: +61(0) (2) 6227-5633)

LAWRENCE, Dr Peter Anthony.[1983] Member of the Scientific Staff of the Medical Research Council Laboratory of Molecular Biology, Cambridge. MRC Laboratory of Molecular Biology, Hills Road, Cambridge, CB2 2QH. (Tel: (01223) 402282; email: pal@mrc-lmb.cam.ac.uk; Fax: (01223) 411582); and 9 Temple End, Great Wilbraham, Cambridge, CB1 5JF. (Tel: (01223) 880505). Medal: Darwin (1994).

LAWRENSON, Professor Peter John.[1982] Non-executive director, Switched Reluctance Drives Limited. Emeritus Professor of Electrical Engineering in the University of Leeds. Medal: Esso Energy (1985).

LAWS, Dr Richard Maitland CBE. [1980] Formerly Director, British Antarctic Survey, Cambridge, and Master of St Edmund's College, Cambridge. 3 The Footpath, Coton, Cambridge, CB3 7PX. (Tel: (01954) 210567)

LAWSON, Dr John David. [1983]

LAWTON, Professor John HartleyCBE. [1989] Professor of Community Ecology and Director of the Natural Environment Research Council Centre for Population Biology in the Imperial College of Science, Technology and Medicine in the University of London. Adjunct Professor at the Institute of Ecosystem Studies, New York, USA. Imperial College, Silwood Park, Ascot, Berkshire, SL5 7PY. (Tel: (01344) 294354; email: j.lawton@ic.ac.uk; Fax: (01344) 873173); 21 Lime Avenue, York, YO3 0BT. (Tel: (01904) 424873); and 18 Gartons Road, Swindon, Wiltshire.

LEACH, Dr Sydney.[1993] Emeritus Directeur de Recherche, Centre National de la Recherche Scientifique, Paris, France. Département Atomes et Molécules en Astrophysique, Observatoire de Paris-Meudon, 5 place Jules Janssen, 92195 Meudon, France. (Tel: +33 1.45.07.75.61; email: leach@obspm.fr; Fax: +33 1.45.07.71.00) Lecture: Humphry Davy (1993).

LEAVER, Professor Christopher John. CBE [1986] Sibthorpian Professor of Plant Science in the University of Oxford and Fellow of St John's College, Oxford. Department of Plant Sciences, South Parks Road, Oxford, OX1 3RB. (Tel: (01865) 275143; email: chris.leaver@plants.ox.ac.uk; Fax: (01865) 275144). Council Service: 1992-94.

LEBLOND, Professor Charles Philippe OC. [1965] Professor of Anatomy in McGill University, Canada. Department of Anatomy and Cell Biology, McGill University, 3640 University Street, Montreal, Quebec, Canada, H3A 2B2. (Tel: +1 (514) 398-6340; email: cleblond@medcor.mcgill.ca); and 68 Chesterfield Avenue, Westmount, Montreal, Quebec, Canada, H3Y 2M5. (Tel: +1 (514) 486-4837; Fax: +1 (514) 398-5047)

LEDWITH, Professor AnthonyCBE. [1995] Professor Emeritus. Department of Chemistry, University of Sheffield, Sheffield, S3 7HF. (Tel: (0114) 282-4457); and 193 Wigan Road, Standish, Wigan, WN6 0AE. (Tel: (01257) 423158)

LEGGETT, Professor Anthony James.[1980] MacArthur Professor and Professor of Physics in the University of Illinois, USA. Department of Physics, University of Illinois, 1110 W. Green Street, Urbana, Illinois 61801, USA. (Tel: +1 (217) 333-2077; email: tony@amaterasu.physics.uiuc.edu; Fax: +1 (217) 333-9819); and 607 W. Pennsylvania Avenue, Urbana, Illinois 61801, USA. (Tel: +1 (217) 328-6767)

LEMIEUX, Professor Raymond Urgel OC CC. [1967] University Professor Emeritus in the University of Alberta, Canada. Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada, T6G 2G2. (Fax: +1 (780) 492-8231) .

LEVICK, Professor William Russell.[1982] Visiting Fellow, Divison of Psychology, Australian National University, Canberra. Visual Neurosciences Unit, John Curtin School of Medical Research, GPO Box 334, Canberra, ACT 2601, Australia

LEWIS, Professor Dan. [1955]

LEWIS of Newnham, Jack, Baron,Kt. [1973]

LEY, Professor Steven Victor.[1990] BP (1702) Professor of Organic Chemistry in the University of Cambridge, and Fellow of Trinity College, Cambridge. University Chemical Laboratory, Lensfield Road, Cambridge, CB2 1EW. (Tel: (01223) 336398; email: svl1000@cam.ac.uk; Fax: (01223) 336442); and 12 Wordsworth Grove, Newnham, Cambridge, CB3 9HH. (Tel: (01223) 367055). Lecture: Bakerian (1997).

LIGGINS, Sir Graham (Collingwood)CBE. [1980] Emeritus Professor of Obstetrics and Gynaecology, and Honorary Research Fellow, in the University of Auckland, New Zealand. Postgraduate School of Obstetrics and Gynaecology, National Women's Hospital, Claude Road, Epsom, Auckland 3, New Zealand. (Tel: +64(0) (9) 6309-856; email: g.liggins@auckland.ac.nz; Fax: +64(0) (9) 6309-858 ); and 3/38 Awatea Road, Parnell, Auckland 1, New Zealand. (Tel: +64(0) (9) 3775-127)

LINDAHL, Dr Tomas Robert.[1988] Deputy Director of Research (Laboratories) of the Imperial Cancer Research Fund and Director of Clare Hall Laboratories. ICRF Clare Hall Laboratories, South Mimms, Hertfordshire, EN6 3LD. (Tel: (0207) 269-3993; email: T.Lindahl@icrf.icnet.uk; Fax: (0207) 269-3819). Lecture: Croonian (1996). Council Service: 1995-96.

LINNANE, Professor Anthony William AM. [1980] Emeritus Professor at Monash University and Honorary Professor at Melbourne University. Director of the Centre for Molecular Biology and Medicine, Melbourne, Australia. Epworth Medical Centre, 185-187 Hoddle Street, Richmond (Melbourne), Victoria 3121, Australia. (Tel: +61(0) (3) 9426-4200; Fax: +61(0) (3) 9426- 4201). Email tlinnane@cmbm.com.au

LITHERLAND, Professor Albert Edward.[1974] University Professor Emeritus in the University of Toronto, Canada. Department of Physics, University of Toronto, 60 St George Street, Toronto, Ontario, Canada, M5S 1A7. (Tel: +1 (416) 978-3785; email: ted.litherland@utoronto.ca; Fax: +1 (416) 978-4711); and Apartment 801, 120 Rosedale Valley Road, Toronto, Ontario, Canada, M4W 1P8. (Tel: +1 (416) 923-5616)

LLEWELLYN SMITH, Professor Christopher Hubert.[1984] Provost University College London, Gower Street, London WC1E 6BT (Tel: (0171) 380 7234; email: Provost@ucl.ac.uk; Fax: (0171) 388 5412)

LLOYD, Professor David Graham.[1992]

LONGUET-HIGGINS, Professor Hugh Christopher.[1958] Professor Emeritus and formerly Royal Society Research Professor at the University of Sussex.Centre for Research on Perception and Cognition, Laboratory of Experimental Psychology, University of Sussex, Falmer, Brighton, BN1 9QG. (Tel: (01273) 678341); and 2 Hanover Crescent, Brighton, BN2 2SB. (Tel: (01273) 685349)

LONGUET-HIGGINS, Professor Michael Selwyn.[1963] Formerly Royal Society Research Professor at the University of Cambridge. Senior Research Physicist at the Institute for Nonlinear Science, University of California, San Diego, USA, and Adjunct Professor, Scripps Institution of Oceanography.Institute for Nonlinear Science, University of California at San Diego, 9500 Gilman Drive, La Jolla, California 92093-0402, USA. (Tel: +1 (619) 534-3936; Fax: +1 (619) 534-7664)

LONZARICH, Professor Gilbert George.[1989]

LORIMER, Dr George Huntly.[1986] Professor of Biochemistry. Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, USA. (Tel: +1 (301) 405-1828; email: GL48@umail.umd.edu; Fax: +1 (301) 314-9121); and 7705 Lake Glen Drive, Glenn Dale, Maryland, 20769, USA. (Tel: +1 (301) 352-3679; email: shipdorf@erols.com; Fax: +1 (301) 352-5539)

LOUDON, Professor Rodney.[1987] Professor of Physics in the University of Essex. Department of Electronic Systems Engineering, University of Essex, Colchester, CO4 3SQ. (Tel: (01206) 872880; email: loudr@essex.ac.uk; Fax: (01206) 873598); and 3 Gaston Street, East Bergholt, Colchester, CO7 6SD. (Tel: (01206) 298550)

LOVELL, Sir (Alfred Charles) Bernard OBE. [1955] Emeritus Professor of Radio Astronomy in the University of Manchester and formerly Director of the Nuffield Radio Astronomy Laboratories, Jodrell Bank. Nuffield Radio Astronomy Laboratories, Jodrell Bank, Macclesfield, Cheshire, SK11 9DL. (Tel: (01477) 571321; Fax: (01477) 571618); and The Quinta, Swettenham, Congleton, Cheshire, CW12 2LD. (Tel: (01477) 571254; Fax: (01477) 571954). Medal: Royal (1960). Lectures: Tercentenary (1960), Rutherford Memorial (1984). Council Service: 1963-65.

LOVELOCK, Dr James Ephraim CBE. [1974]

LOW, Professor Martin Geoffrey.[1996] Professor of Physiology and Cellular Biophysics at Columbia University, USA. College of Physicians and Surgeons, Columbia University, 630 West 168th Street, New York, NY 10032, USA. (Tel: +1 (212) 305-1707; email: mgl2@columbia. edu; Fax: +1 (212) 305-5775).

LOWE, Professor Gordon.[1984] Professor of Biological Chemistry in the University of Oxford. Professorial Fellow of Lincoln College, Oxford. Dyson Perrins Laboratory, South Parks Road, Oxford, OX1 3QY. (Tel: (01865) 275649; email: gordon.lowe@chem.ox.ac.uk; Fax: (01865) 275674)

LUCAS, Sir Cyril (Edward)CMG. [1966]

LUMSDEN, Professor Andrew Gino Sita.[1994] Professor of Developmental Neurobiology at King's College in the University of London. Department of Developmental Neurobiology,4th Floor, New Hunts House, King's College London, Guy's Campus, London, SE1 9RT. (Tel: (0207) 848-6520; email: andrew.lumsden@kcl.ac.uk; Fax: (0207) 848-6550)

LUND, Dr John Walter Guerrier CBE. [1963] Formerly Deputy Chief Scientific Officer, Freshwater Biological Association, Ambleside. Ambleside, Cumbria, LA22 0LP. (Tel: (0153 94) 42468;email: fritsch:ife.ac.uk; Fax: (0153 94) 46914); and Ellerbeck, Ellerigg Road, Ambleside, Cumbria, LA22 9EU. (Tel: (0153 94) 32369)

LUND, Professor Raymond Douglas.[1992]

LUSZTIG, Professor George.[1983] Professor of Mathematics in the Massachusetts Institute of Technology, USA. Room 2-276, Department of Mathematics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. (Tel: +1 (617) 253-4398)

LYNDEN-BELL, Professor Donald. CBE [1978]Professor of Astrophysics in the University of Cambridge. Institute of Astronomy, The Observatories, Cambridge, CB3 0HA (Tel: (01223) 337525; email: dlb@ast.cam.ac.uk) and 9 storey's Way, Cambridge CB3 0DP (Tel: (01223) 354332)

LYNE, Professor Andrew Geoffrey.[1996] Professor of Radioastronomy in the University of Manchester and Director, Jodrell Bank Observatory. Jodrell Bank Observatory, Macclesfield, Cheshire, SK11 9DL. (Tel: (01477) 571321; email: agl@jb.man.ac.uk; Fax: (01477) 571618); and Tall Trees, New Road, Moreton, Congleton, Cheshire, CW12 4RX. (Tel: (01260) 273774)

LYON, Dr Mary Frances.[1973] Formerly member of the Scientific Staff of the Medical Research Council. MRC Mammalian Genetics Unit, Harwell, Didcot, Oxfordshire, OX11 0RD. (Tel: (01235) 834393, ext. 402; email:m.lyon@har.mrc.ac.uk; Fax: (01235) 834776). Medal: Royal (1984).

LYTHGOE, Professor Basil. [1958] ] Emeritus Professor of Organic Chemistry in the University of Leeds