Writing Women into History 

Brief: Celebrate the life of a woman who has previously gone unrecognised for her role and write her back into history.

Henrietta Swan Leavitt was an American astronomer in the early 20th century. She was known for her discovery of the relationship between period and luminosity in Cepheid variables, which are pulsating stars whose brightness varies regularly in periods ranging from a few days to several months. Over the course of her career, she discovered four novas, and 2,4000 variable stars, which was more than half the known stars at the time.

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