[calstad]

She was also very instrumental in the discovery of the functorality of homology in algebraic topology, which led to the explosion of homological algebra. She was definitely a great polymath

[jackmaney]

Also, a class of rings, called Noetherian rings[1], are named after her. Noetherian rings are of great importance in ring theory.

[1]: http://en.wikipedia.org/wiki/Noetherian_ring