Martin L. Weitzmanis the Ernest E. Monrad Professor of Economics, Faculty Associate and Executive Committee, Davis Center for Russian and Eurasian Studies. His research interests focus on microeconomic theory and environmental economics. His current projects include a book-length manuscript dealing with the maximum principle. His recent publications include: An Economics Proof’ of a Separating Hyperplane Theorem, Economics Letters 68 (2000), Economic Profitability Versus Ecological Entropy, Quarterly Journal of Economics, February 2000, and Gamma Discounting, American Economic Review, March 2001. He received his PhD, from MIT, in 1967 and his MS from Stanford, 1964.