John R. Stallings

John R. Stallings
2006 photo of Stallings
Born(1935-07-22)July 22, 1935
DiedNovember 24, 2008(2008-11-24) (aged 73)
Alma materUniversity of Arkansas
Princeton University
Known forproof of Poincaré Conjecture in dimensions greater than six; Stallings theorem about ends of groups; Stallings graphs and automata
AwardsFrank Nelson Cole Prize in Algebra (1971)
Scientific career
FieldsMathematics
InstitutionsUniversity of California at Berkeley
Doctoral advisorRalph Fox
Doctoral studentsMarc Culler
Stephen M. Gersten
J. Hyam Rubinstein

John Robert Stallings Jr. (July 22, 1935 – November 24, 2008) was a mathematician known for his seminal contributions to geometric group theory and 3-manifold topology. Stallings was a Professor Emeritus in the Department of Mathematics at the University of California at Berkeley[1] where he had been a faculty member since 1967.[1] He published over 50 papers, predominantly in the areas of geometric group theory and the topology of 3-manifolds. Stallings' most important contributions include a proof, in a 1960 paper, of the Poincaré Conjecture in dimensions greater than six and a proof, in a 1971 paper, of the Stallings theorem about ends of groups.

  1. ^ a b Mathematician John Stallings died last year at 73. UC Berkeley press release, January 12, 2009. Accessed January 26, 2009