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Henry Norris Russell
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Henry Norris Russell
Henry Norris Russell
(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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