Sergey Blazhko
Sergey Nikolayevich Blazhko was a Russian and Soviet astronomer, a corresponding member of the Academy of Sciences of the Soviet Union (1929). He was a graduate of Moscow State University and held a number of positions there including head of the Moscow Observatory from 1920-1931. He discovered a secondary variation of the amplitude and period of some RR Lyrae stars and related pulsating variables, now known as the Blazhko effect.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
November 5th, 1870
Age
153
Birth Place
Belarus, Mogilev Region
Date of Death
February 11st, 1956
Died Aged
85
Star Sign
Scorpio
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