Mathematician:Hanna Neumann

Mathematician

German-born mathematician active in the field of group theory.

Wife of Bernhard Hermann Neumann and mother of Peter Michael Neumann.

Nationality

German

History

• Born: 12 February 1914 in Lankwitz, Berlin, Germany
• 1938: Moved to England to marry Bernhard Neumann.
• 1940: Gave birth to Peter Michael Neumann.
• Died: 14 November 1971 in Ottawa, Canada

Theorems and Definitions

• HNN Extension (named after Graham Higman, Bernhard Hermann Neumann and Hanna Neumann)

Results named for Hanna Neumann can be found here.

Publications

• 1949: Embedding theorems for groups (with Graham Higman and Bernhard Hermann Neumann)
• 1967: Varieties of Groups

Also known as

Full maiden name: Johanna von Caemmerer.

Sources

• John J. O'Connor and Edmund F. Robertson: "Hanna Neumann": MacTutor History of Mathematics archive