Peter Ozsváth, Professor of Mathematics, is one of 84 new members elected to the National Academy of Sciences in recognition of their distinguished and continuing achievements in original research. Also elected from Princeton this year are Sanjeev Arora, Professor of Computer Science; Orley Ashenfelter, Professor of Economics; Dalton Conley, Professor of Sociology; David MacMillan, Professor of Chemistry; and Virginia Zakian, Professor in the Life Sciences.