Viktor Hambardzumyan (September 18 [O.S. September 5] 1908 - August 12, 1996) was a Soviet Armenian scientist, and one of the founders of theoretical astrophysics. He worked in the field of physics of stars and nebulae, stellar astronomy, dynamics of stellar systems and cosmogony of stars and galaxies, contributed to Mathematical physics. Amabartsumian was the President of the International Astronomical Union from 1961 till 1964 Read more