Henry Norris Russell was a renowned American astronomer and one of the pioneers of modern astrophysics. When it comes to synonyms for his name, perhaps the most obvious ones would be "astronomer" or "astrophysicist". However, other possibilities include "stellar researcher", "cosmic expert", "celestial scholar", or "galactic investigator". Given Russell's contributions to our understanding of stars and the cosmos, his name could also be associated with terms like "stellar evolution", "astrophysical modeling", or "spectroscopic analysis". Regardless of the specific wording, there is no doubt that Henry Norris Russell's legacy in the field of astronomy remains significant to this day.