James R. McGuigan owns and operates his own numismatic investment firm. Prior to this business, he was Associate Professor of Finance and Business Economics in the School of Business Administration at Wayne State University. He also taught at the University of Pittsburgh and Point Park College. McGuigan received his undergraduate degree from Carnegie-Mellon University; MBA at the Graduate School of Business at the University of Chicago and his PhD from the University of Pittsburgh. In addition to his interests in economics, he has coauthored books on financial management.
William J. Kretlow, formerly with Tenneco and Monsanto, joined the University of Houston faculty in 1971. Since 1977, Professor Kretlow has taught at the Stonier Graduate School of Banking of the American Bankers Association. He also has taught at Rice University and has received various teaching awards. In addition to coauthoring this text, he has published articles in the REVIEW OF BUSINESS AND ECONOMIC RESEARCH, THE JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE, and THE FINANCIAL REVIEW, among others. Professor Kretlow has advised various small and medium-sized companies on financial matters, served as an expert witness in a number of financial cases, and is experienced in the valuation of closely held businesses.