Hanna Neumann
died 46 years ago
14th November 1971

Hanna Neumann worked in group theory. Her thesis examined free products with amalgamation. Later she worked on varieties of groups and her book Varieties of Groups (1967) is a classic.

Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Neumann_Hanna.html