Nikolay Nikolayevich Bogolyubov (Russian: Никола́й Никола́евич Боголю́бов; 21 August 1909 – 13 February 1992), also transliterated as Bogoliubov, was a Soviet mathematician and theoretical physicist known for a significant contribution to quantum field theory, classical and quantum statistical mechanics, and to the theory of dynamical systems; a recipient of the Dirac Prize (1992).
His son N.N. Bogolubov Jr. is a theoretical physicist working in the fields of mathematical physics and statistical mechanics.
Other transliterations of his name include: N.N. Bogoliuboff N.N. Bogoljubov N.N. Bogolubov N.N. Bogolyubov