Bernhard Neumann
| Bernhard Neumann | |
|---|---|
| Born | 15 October 1909 Berlin, Germany | 
| Died | 20 October 2002 (aged 93) Canberra, Australia | 
| Nationality | British and Australian | 
| Alma mater | University of Berlin University of Cambridge | 
| Known for | Petr–Douglas–Neumann theorem Hahn–Mal'cev–Neumann series HNN extension Outer billiard Absolute presentation of a group | 
| Awards | Adams Prize (1952) | 
| Scientific career | |
| Fields | Mathematics | 
| Institutions | Australian National University University of Manchester | 
| Doctoral advisor | Issai Schur Philip Hall | 
| Doctoral students | Gilbert Baumslag John Britton James Wiegold | 
Bernhard Hermann Neumann AC, FRS (15 October 1909 – 21 October 2002) was a German-born British-Australian mathematician, who was a leader in the study of group theory.