Walter Neumann

Walter D. Neumann
Neumann in 1973
Born	(1946-01-01) January 1, 1946 (age 79) Caerphilly, Wales
Died	September 24, 2024(2024-09-24) (aged 78)
Spouse	Anne Neumann[1]
Parent(s)	Bernhard Neumann Hanna Neumann
Relatives	Peter M. Neumann
Academic background
Alma mater	University of Bonn
Thesis	S1-Actions and the Alpha-Invariant of the Involutions Mathematics Subject Classification: 57—Manifolds and cell complexes (1969)
Doctoral advisor	Friedrich Hirzebruch Klaus Jänich [de]
Academic work
Discipline	Mathematics
Sub-discipline	Geometric 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.^[2]

He was a son of the mathematicians Bernhard Neumann and Hanna Neumann.^[2] His brother Peter M. Neumann was also a mathematician.

Walter Neumann was elected a member of the European Academy of Sciences in 2002.^[3] He was in the Inaugural Class of Fellows of the American Mathematical Society, starting from 2013.^[4]

Neumann died on 24 September 2024, at the age of 78.^[5][6]

• Walter Neumann at the Mathematics Genealogy Project
• Home page at Columbia
• Walter D. Neumann, Celebratio Mathematica, 2022