| Intro | Stationsgehilfe bei der Eisenbahnverwaltung von Deutsch-Südwestafrika |
| From | Namibia |
| Gender | male |
Walter David Neumann (born 01/01/1946) is a British mathematician who works in topology, geometric group theory, and singularity theory. He is 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 is a son of the mathematicians Bernhard Neumann and Hanna Neumann. His brother Peter M. Neumann is a mathematician too.
He is a fellow of the American Mathematical Society.