Funding for this effort was provided by the National Science Foundation under grant no. EEC-9812672 and the National Academy of Engineering Fund.

This publication has been reviewed by a group other than the authors according to procedures approved by a National Academy of Engineering report review process. The purpose of this independent review is to provide candid and critical comments that will assist the institution in making the published report as sound as possible and to ensure that the report meets institutional standards for objectivity, evidence, and responsiveness to the study charge. The review comments and draft manuscript remain confidential to protect the integrity of the deliberative process. We wish to thank the following individuals for their participation in the review of this report: William F. Ballhaus, Jr., Lockheed Martin Corp.; Lewis M. Branscomb, Harvard University; Harold K. Forsen, National Academy of Engineering; John H. Gibbons, Office of Science and Technology Policy (retired); David M. Hart, John F. Kennedy School of Government, Harvard University; Roger G. Noll, Stanford University; and Robert M. White, Carnegie Mellon University.

While these individuals have provided constructive comments and suggestions, it must be emphasized that responsibility for the final content of this report rests entirely with the authoring committee and the institution.

Available from:

Program Office, NAS 315

National Academy of Engineering
2101 Constitution Avenue, N.W. Washington, DC 20418 Phone: (202) 334–1579

Copyright 1999 by the National Academy of Sciences. All rights reserved.

Printed in the United States of America.



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement