1. Cecilia Payne-Gaposchkin - Wikipedia

    https://en.wikipedia.org/wiki/Cecilia_Payne-Gaposchkin

    Cecilia Helena Payne-Gaposchkin (May 10, 1900 – December 7, 1979) was a British-born American astronomer and astrophysicist who, in 1925, proposed in her PhD ...

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