GENERAL KNOWLEDGE

Detailed explanation-1: -George Gamow’s fame as a physicist began with his theory that explained the radioactive alpha particle decay of atomic nuclei. In his cosmological studies, he is known for the “big bang” theory of the origin of the universe, and in 1954 his studies in biology led him to suggest that the genetic code was a triplet code.

Detailed explanation-2: -Georges Lemaître, (born July 17, 1894, Charleroi, Belgium-died June 20, 1966, Leuven), Belgian astronomer and cosmologist who formulated the modern big-bang theory, which holds that the universe began in a cataclysmic explosion of a small, primeval “super-atom.”