and their Tits buildings Shing-Tung Yau, Some theorems in Kähler geometry 1991 at Duke Jeff Cheeger, Transgressed Euler classes of SL(2n,Z)-bundles and adiabatic limits of eta-invariants Chris Croke, Volumes of balls in manifolds without conjugate points and rigidity of geodesic flows Carolyn Gordon, When you can't hear the shape of a manifold Wu-Yi Hsiang, Sphere packing and spherical geometry: The Kepler conjecture and beyond Alan Nadel, On the geometry of Fano varieties Grigori Perelman, Alexandrov's spaces with curvature bounded from below Stephan Stolz, On the space of positive curvature metrics modulo diffeomorphisms 1992 at Courant Jonathan Block, Aperiodic tilings, positive scalar curvature and other homological phenomena John Franks, Infinitely many closed geodesics on the 2-sphere Karsten Grove, The inevitable presence of singular spaces in Riemannian geometry Lisa Jeffrey, Volumes of moduli spaces of flat connections on Riemannian surfaces Jun Li, Anti-self-dual connections on SU(2) bundles over algebraic surfaces Dusa McDuff, Symplectic 4-manifolds Clifford Taubes, Anti-self dual conformal structures in 4 dimensions 1993 at Penn Shiing-Shen Chern, Finsler geometry Richard S. Hamilton, An isoperimetric estimate for the curve-shrinking flow Vaughan Jones, Loop groups and operator algebras Claude LeBrun, Compact Kähler manifolds of constant scalar curvature Louis Nirenberg, The maximum principle and related things Xiaochun Rong, Collapsing in low dimensions and rationality of geometric invariants Isadore Singer, Geometry and quantum field theory 1995 at Stony Brook Dimitri Burago, Asymptotic geometry of Z^n-periodic metrics Tobias Colding, Ricci curvature and convergence Dominic Joyce, Compact Riemannian manifolds with exceptional holonomy groups Yael Karshon, Hamiltonian torus actions David Morrison, Analogues of Seiberg–Witten invariants for counting curves on Calabi–Yau manifolds Tomasz Mrowka, The Seiberg-Witten equations and 4-manifold topology Yongbin Ruan, Higher genus pseudo-holomorphic curves Edward Witten, Monopoles and four-manifolds 1996 at Maryland John C. Baez, Quantum gravity and BF theory in 4 dimensions Jean-Luc Brylinski, Gauge groups and reciprocity laws on algebraic varieties Bruce Kleiner, Spaces of nonpositive curvature Grigory Margulis, Quantitative Oppenheim Conjecture Sergei P. Novikov, Laplace and Darboux transformations Richard Schwartz, The Devil's Pentagram Guofang Wei, Volume comparison with integral curvature bounds Shmuel Weinberger, Equivariant rigidity: For and against 1997 at Duke Jeanne Nielsen Clelland, Geometry of Conservation Laws for Parabolic PDE's Anatole Katok, Rigidity and invariant geometric structures for differentiable group actions François Labourie, Monge-Ampere problems, holomorphic curves and laminations Gang Liu, Floer Homology and the Arnold Conjecture William Minicozzi II, Harmonic functions on manifolds Lorenz Schwachhöfer, The classification of irreducible holonomies of torsion