Viktor Amazaspovich Ambartsumian (Armenian: Վիկտոր Համբարձումյան; 18 September 1908 - August 12, 1996) was an Armenian Soviet astrophysicist. He was one of the founders of theoretical astrophysics. Ambartsumian worked in the field of physics of stars and nebulae and stellar astronomy. He was the founder of the Byurakan Astrophysical Observatory. He was a member of the Russian Academy of Sciences (1953, corresponding member since 1939). He was also a member of the Armenian National Academy of Sciences and its president (1947-1993).
- Joseph S. Tenn (21 March 2014). "Viktor Amazaspovich Ambartsumian; 1960 Bruce Medalist". Department of Physics and Astronomy, Sonoma State University. Archived from the original on 25 November 2015. Retrieved 8 February 2015.
- "Victor AMBARTSUMIAN (1908-1996)". Armenian Astronomical Society. Retrieved 8 February 2015.