In the 18th century, a woman was forbidden from being a scientist. Émilie du Châtelet did it anyway.
She secretly studied mathematics. She captivated Voltaire with her wit. Then she translated Newton's "Principia," the most complex work of physics of her time, into French. This translation remains the standard in France today.
She discovered that the energy of a moving object depends on the square of its velocity (E = mv²). A discovery that foreshadowed Einstein's work a century later. But her name was forgotten. Only Voltaire's remained in the public consciousness.
She died in 1749, a few days after giving birth to her fourth child, exhausted by her work. She was 42 years old. It took more than two centuries for her name to reappear in history books.
fr.wikipedia.org/wiki/%C3%89milie_du_Ch%C3%A2telet
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