https://en.wikipedia.org/wiki/Sophie_Germain
QT:{{”
When Germain’s correspondence with Gauss ceased, she took interest in a contest sponsored by the Paris Academy of Sciences concerning Ernst Chladni’s experiments with vibrating metal plates.[30] The object of the competition, as stated by the Academy, was “to give the
mathematical theory of the vibration of an elastic surface and to compare the theory to experimental evidence”. Lagrange’s comment that a solution to the problem would require the invention of a new branch of analysis deterred all but two contestants, Denis Poisson and Germain. Then Poisson was elected to the Academy, thus becoming a judge instead of a contestant,[31] and leaving Germain as the only entrant to the competition.[32]
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Also, story about Gauss!