Walter D. Neumann, 1946-2024

It is with deep sadness and heavy hearts that we inform you of the death of Prof. Walter Neumann, who passed away yesterday. Heartfelt condolences are extended to his family, friends, and loved ones.

Walter received his PhD at Bonn University in 1969 and became a Barnard Professor in 2000. He was a member of the European Academy of Sciences (elected 2002) and a Fellow of the American Mathematical Society since 2012. He worked in geometry and topology and especially on low dimensional topology, for example on hyperbolic 3-manifolds and geometric group theory.

A website with a cv, autobiographical account of his early life, a celebration written by Alan W. Reid, a list of his PhD students, and a gallery of pictures can be found here:

https://celebratio.org/Neumann_WD/cover/948/

A Zoom memorial will be held in his honor for family, friends, and colleagues; additional details will be announced in the near future.

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