STUART S. NAGEL is a professor of political science at the University of Illinois and a member of the Illinois bar. He has been an attorney for the U.S. Senate Judiciary Committee, the National Labor Relations Board, and the Legal Services Corporation. He is the author of Decision-Aiding Software and Legal Decision-Making (Quorum, 1989), Microcomputers as Decision-Aids in Law Practice (Quorum, 1987), Law, Policy, and Optimizing Analysis (Quorum, 1986), and Causation, Prediction, and Legal Analysis (Quorum, 1986). He teaches continuing legal education courses for the American Law Institute, American Bar Association, and various state bar associations.
LAYMAN E. ALLEN is a graduate of Princeton University ( AB from the Woodrow Wilson School of Public and International Affairs), Harvard University ( MPA from the Kennedy School of Public Affairs), and Yale University ( JD from the Law School). He has been engaged in teaching and research on the applications of mathematical logic to the analysis of legal problems at Yale Law School from 1957 to 1966 and at the University of Michigan Law School from 1966 to the present. He has formulated and extended the jurisprudential theories of the legal philosopher, Wesley Hohfeld, as a formal logical system for use as the basis for developing legal expert systems.
DAVID I. BAINBRIDGE is a lecturer in law at Aston University, England. In addition to being a law lecturer, he is a member of the British Computer Society and has a background in engineering and computing. His Ph.D. research was concerned with the development of a computer system to assist magistrates in their sentencing decisions. His current interests include the implications of computer science for law, including copyright issues, computer crime, and expert