Historical
Euclid, Apollonius of Perga (c. 262-190 B.C.), Desargues - Girard Desargues (1591-1661), Heron of Alexandria (ca. 75 AD), Klein, Felix (1849-1925), Monge, Gaspard - Conte de Péluse (1746-1818), Pappus of Alexandria (c. 320), Riemann, Georg Friedrich Bernhard (1826-1866), Steiner, Jakob (1796-1863)
Anderson, Jim
University of Southampton. Hyperbolic geometry, mostly in dimensions 2 and 3, and its connections to other areas, such as the geometry and topology of 3-manifolds and Riemann surfaces. Preprints and teaching material.
Ballmann, Werner
Rheinische Friedrich-Wilhelms-Universität Bonn. Differential geometry; geometric topology.
Banchoff, Tom
Brown University. Geometry, visualisation; Popularisation.
Calegari, Danny
Specializes in topology and classical geometry. Department of mathematics. California Institute of Technology.
Chang, Sun-Yung Alice
Director of Graduate Studies, Department of Mathematics, Princeton University. Subjects: geometric analysis, algebraic geometry, differential geometry.
Cherowitzo, Bill
Finite geometry. Department of Mathematics. University of Colorado at Denver.
DeLaVina, Ermelinda
University of Houston Downtown. Computational geometry - Graffiti. Publications and software.
Dodson, C.T.J. (Kit)
UMIST, Manchester. Differential geometry, stochastic geometry and applications.
Doran, Charles
Columbia University. Geometry, mathematical physics, number theory.
Dunfield, Nathan
Caltech. 3-dimensional topology, geometry, and related topics.
Glazebrook, James F.
Eastern Illinois University and University of Illinois at Urbana-Champaign. Differential Geometry and its Applications to Mathematical Physics; Index Theory and Foliations; Holomorphic Vector Bundles; Noncommutative Geometry. Books, articles and preprints.
Große-Brauckmann, Karsten
Differential geometry, especially surfaces of constant mean curvature.
Hales, Thomas C.
University of Pittsburgh. Kepler conjecture (announced a computer-aided proof), other space tiling conjectures, Langlands theory.
Hang, Fengbo
Veblen Research Instructor, Department of Mathematics, Princeton University. Subjects: geometric analysis, nonlinear partial differential equations, geometric measure theory.
Kapovich, Michael
University of Utah. Low-dimensional geometry and topology.
Keith, Sandra Zaroodny
St. Cloud State University MN. Interests in visualisation and education.
Kimberling, Clark
Triangle centers, integer sequences, mathematical history and biography.
Sormani, Christina
Lehman College and CUNY Graduate Center. Riemannian reometry: manifolds with Ricci curvature bounds, their Gromov-Hausdorff limits and metric spaces.