Mathematical ages

Arrange these three famous mathematicians in order with the shortest-lived first.
Age
11 to 14
Challenge level
filled star empty star empty star
Exploring and noticing Working systematically Conjecturing and generalising Visualising and representing Reasoning, convincing and proving
Being curious Being resourceful Being resilient Being collaborative

Problem



Here are the dates of three pivotal female mathematicians: Sophie Germain (French) 1776-1831, Sonja Kowalevsky (Russian) 1850-91, Emmy Noether (German) 1882-1935.

Arrange them in order with the shortest-lived first.