Tumanskii, Sergei Konstantinovich

Born May 8 (21), 1901, in Minsk; died Sept. 9,1973, in Moscow. Soviet designer of aircraft engines. Academician of the Academy of Sciences of the USSR (1968). Hero of Socialist Labor (1957). Member of the CPSU from 1951.

Tumanskii graduated from the Petrograd School of Military Engineering in 1922 and from the N. E. Zhukovskii Air Force Engineering Academy in 1931. He designed piston and jet engines for aircraft, including engines for high-speed bombers, passenger airliners, trainers, and supersonic fighters, among them the MiG. In 1956, Tumanskii received the title of Chief Designer of aircraft engines.

Tumanskii made great contributions to the design of high-temperature aircraft engine turbines, and he did basic research on jet engines with two-stage compressors. He also made suggestions on the elimination of dangerous vibratory stresses in the compressor and turbine blades.

Tumanskii was awarded the Lenin Prize (1957), the State Prize of the USSR (1945), four orders of Lenin, two other orders, and various medals.