"stellar classification"

Annie Jump Cannon female, deceased: Edward C. Pickering, Astronomer, scientist, American, Wellesley College alumni, stellar classification; Annie Jump Cannon (December 11, 1863 - April 13, 1941) was an American astronomer whose cataloguing work was instrumental in the development of...; Annie Jump Cannon Pictures | wellesley.edu | Wikipedia

Gavriil Adrianovich Tikhov male, deceased: belarusian, Astronomer, stellar classification, spectral class, feathering spectrograph, chromatic aberration; Gavriil Adrianovich Tikhov (May 1,1875 - 1960) was a Belarusian astronomer. He worked as observer at the Pulkovo Observatory from 1906 until 1941....; daviddarling.info | members.tripod | Wikipedia

Grigory Abramovich Shajn male, deceased: Comet discoverer, Jewish person, stellar classification, Crimean Astrophysical Observatory, stellar spectroscopy, 61P/Shajn-Schaldach; Grigory Abramovich Shajn (April 19 1892–August 4 1956) was a Soviet/Russian astronomer. In modern English transliteration, his surname would be gi...; adsabs.harvard.edu | adsabs.harvard.edu | adsabs.harvard.edu | Wikipedia

Annie Jump Cannon