On 1st April 1776 Sophie Germain was born to Ambroise-Francois Germain.
1804. Carl Friedrich Gauss Letter to Heinrich Olbers: "Recently I had the pleasure to receive a letter from Le Blanc [Sophie Germain [aged 27]], a young mathematician in Paris, who made himself enthusiastically familiar with higher mathematics and showed how deeply he penetrated into my Disquisitiones Arithmeticae."
1807. Carl Friedrich Gauss Letter to Sophie Germain [aged 30]: "But how can I describe my astonishment and admiration on seeing my esteemed correspondent Monsieur Le Blanc metamorphosed … But when a woman, because of her sex, our customs and prejudices, encounters infinitely more obstacles than men, in familiarizing herself with their knotty problems, yet overcomes these fetters and penetrates that which is most hidden, she doubtless has the most noble courage, extraordinary talent, and superior genius."
On 8th January 1816 Sophie Germain [aged 39] became the first woman to win a prize from the Paris Academy of Sciences for her paper "Recherches sur la théorie des surfaces élastiques" i.e. "Research into the theory of Elastic Surfaces". She later published her paper in 1821 at her own expense.
On 27th June 1831 Sophie Germain [aged 55] died from breast cancer at 13 rue de Savoie, Paris. She was buried at Père Lachaise Cemetery in Paris.