Yakov Borisovich Zel'dovich, Belarusian physicist, astronomer, and cosmologist (born 1914)

Yakov Zeldovich

Soviet physicist, physical chemist and cosmologist (1914–1987)

Yakov Borisovich Zeldovich, also known as YaB, D.S. was a leading Soviet physicist of Belarusian origin, who is known for his prolific contributions in physical cosmology, physics of thermonuclear reactions, combustion, and hydrodynamical phenomena.