Vyacheslav Vladimirovich Sychev (December 11, 1933, Odessa February 14, 2023, Moscow) Soviet and Russian scientist, doctor of technical sciences, professor at the Moscow Power Engineering Institute (MPEI); specialist in thermodynamics; Honored Scientist of the Russian Federation (1996). His main areas of scientific interest were thermodynamics, thermophysics, and information technologies. He was an author of more than 200 printed works, including monographs and books that have been published many times: "Technical Thermodynamics", "Complex Thermodynamic Systems", "Differential Equations of Thermodynamics" and others.Full member of the International Academy of Sciences, Academy of Technological Sciences of the Russian Federation, Academy of Electrotechnical Sciences, International Academy of Cold, International Academy of Creativity. Member of the Expert Council of the Higher Attestation Commission (HAC) under the Ministry of Education and Science of the Russian Federation and the Dissertation Council of MPEI.
 Laureate of the State Prizes of the USSR (1976, 1988) and the State Prize of the Russian Federation (1996), the Polzunov Prize of the USSR Academy of Sciences (1984), J. Gibbs Prize and Medal of the International Academy of Creativity (1993), Moscow Power Engineering Institute Prize "Honor and Recognition of Generations" (2013). Laureate of the State Prizes of the USSR (1976, 1988) and the State Prize of the Russian Federation (1996). Awarded the Order of Friendship of Peoples, Order of Friendship of the Socialist Republic of Vietnam.