Walter Neumann

Walter D. Neumann
Neumann in 1973
Born(1946-01-01)January 1, 1946
Caerphilly, Wales
DiedSeptember 24, 2024(2024-09-24) (aged 78)
SpouseAnne Neumann
Parent(s)Bernhard Neumann
Hanna Neumann
RelativesPeter M. Neumann
Academic background
Alma materUniversity of Bonn
ThesisS1-Actions and the Alpha-Invariant of the Involutions
Mathematics Subject Classification: 57—Manifolds and cell complexes
 (1969)
Doctoral advisorFriedrich Hirzebruch
Klaus Jänich
Academic work
DisciplineMathematics
Sub-disciplineGeometric group theory

Walter David Neumann (1 January 1946 – 24 September 2024) was a British-American mathematician who worked in topology, geometric group theory, and singularity theory. He was a professor at Barnard College, Columbia University. Neumann obtained his Ph.D. under the joint supervision of Friedrich Hirzebruch and Klaus Jänich at the University of Bonn in 1969.

He was a son of the mathematicians Bernhard Neumann and Hanna Neumann. His brother Peter M. Neumann was also a mathematician.

Walter Neumann was elected a member of the European Academy of Sciences in 2002. He was in the Inaugural Class of Fellows of the American Mathematical Society, starting from 2013.

Neumann died on 24 September 2024, at the age of 78.