Definition of Russell, Henry Norris in English:

Russell, Henry Norris

proper noun

  • (1877–1957), American astronomer. He worked mainly in astrophysics and spectroscopy, and is best known for his independent discovery of the relationship between stellar magnitude and spectral type, which he represented diagrammatically.

Pronunciation

Russell, Henry Norris

/ˈrʌs(ə)l/