Henry Norris Russell
American astronomer
Died when: 79 years 116 days (951 months)Star Sign: Scorpio
Henry Norris Russell ForMemRS HFRSE FRAS (October 25, 1877 – February 18, 1957) was an American astronomer who, along with Ejnar Hertzsprung, developed the Hertzsprung–Russell diagram (1910).
In 1923, working with Frederick Saunders, he developed Russell–Saunders coupling, which is also known as LS coupling.
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