by 1966, he created the Institute of Theoretical Physics on the basis of the Academy of Sciences of the Ukrainian SSR, which was located in Kiev.In addition, during the 1950s, he also improved and developed several other theories, as well as proved the dispersion relation. By the 1960s, he had delved more into questions about the theory of symmetry, as well as its violations. It was Bogolyubov who gave an explanation of what the new quantum number "color" is.