Emmy Noether was one of the most brilliant and important mathematicians of the 20th century. She altered the course of modern physics. Einstein called her a genius. Yet today, almost nobody knows who she is. In 1915, Noether uncovered one of science’s most extraordinary ideas, proving that every symmetry found in nature has a corresponding law of conservation. So, for example, the fact that physical laws work the same today as they did yesterday turns out to be related to the notion that energy can neither be created nor destroyed. Noether’s theorem is a deep insight that underpins much of modern-day physics and things like the search for the Higgs boson.

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