Course Team Chair
Robert Lambourne

Academic Editors
John Bolton, Alan Durrant, Robert Lambourne, Joy Manners, Andy Norton

Authors
David Broadhurst, Derek Capper, Dan Dubin, Tony Evans, Ian Halliday, Carole Haswell, Keith Higgins, Keith Hodgkinson, Mark Jones, Sally Jordan, Ray Mackintosh, David Martin, John Perring, Michael de Podesta, Ian Saunders, Richard Skelding, Tony Sudbery, Stan Zochowski

Consultants
Alan Cayless, Melvin Davies, Graham Farmelo, Stuart Freake, Gloria Medina, Kerry Parker, Alice Peasgood, Graham Read, Russell Stannard, Chris Wigglesworth

Course Managers
Gillian Knight, Michael Watkins

Course Secretaries
Tracey Moore, Tracey Woodcraft

BBC
Deborah Cohen, Tessa Coombs, Steve Evanson, Lisa Hinton, Michael Peet, Jane Roberts

Editors
Gerry Bearman, Rebecca Graham, Ian Nuttall, Peter Twomey

Graphic Designers
Steve Best, Sue Dobson, Sarah Hofton, Pam Owen

Centre for Educational Software staff
Geoff Austin, Andrew Bertie, Canan Blake, Jane Bromley, Philip Butcher, Chris Denham, Nicky Heath, Will Rawes, Jon Rosewell, Andy Sutton, Fiona Thomson, Rufus Wondre

Course Assessor
Roger Blin-Stoyle

Picture Researcher
Lydia K. Eaton

The Course Team wishes to thank Mark Jones for his contribution to the multimedia package 'Space and the Universe'.

The Open University, Walton Hall, Milton Keynes MK7 6AA

First published 2000 Copyright © 2000 The Open University

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, transmitted or utilized in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without written permission from the publisher or a licence from the Copyright Licensing Agency Ltd. Details of such licences (for reprographic reproduction) may be obtained from the Copyright Licensing Agency Ltd of 90 Tottenham Court Road, London W1P 0LP.

Print editions written, edited, designed and typeset by the Open University.

Print editions printed and bound in the United Kingdom by the Alden Group, Oxford.

ISBN 0 7492 8071 9

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