Since the 1980s, Yuri Ryzhov has been a member of the Academy of Sciences. The RAS website calls it a specialist in the field of aerodynamics of aircraft, nonequilibrium physico-mechanical processes, non-stationary hydrodynamics and thermal mass combin. From 1986 to 1992, he was the rector of the Moscow Aviation Institute.
From 1989 to 1992, Yuri Ryzhov was a people's deputy, a member of the Presidium of the Supreme Soviet of the USSR. By his own admission, in the 1990s he was considered as a candidate for the post of head of the Government of the Russian Federation, but refused. From 1992 to 1998, he was the Russian Ambassador to France.
Ryzhov was the chairman of the Russian Paguosh Committee (this is the international movement of scientists against the war and for disarmament) and, as the MHG writes, one of the founders of the Public Committee for the Protection of Scientists, created to help with a Russian scientist, unprovenly accused of the FSB of treason. "