Grigory Abramovich Shajn (Russian: Григорий Абрамович Шайн) (April 19, 1892 – August 4, 1956) was a Soviet/Russian astronomer. In modern English transliteration, his surname would be given as Shayn, but his astronomical discoveries are credited under the name G. Shajn. Nonetheless, his last name is sometimes given as Schayn. He earned a masters degree from Tomsk University in 1920. He was the husband of Pelageya Shajn (Пелагея Фёдоровна Шайн) née Sannikova (Санникова), who was also a Russian astronomer. He worked on stellar spectroscopy and the physics of gaseous nebulas. Together with Otto St
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