Sergei Tumansky was born in Minsk, the Russian Empire, on May 21, 1901 and died, at age 73, in Moscow, the Soviet Union, on September 9, 1973.

[1] He studied at the Vladimir school until joining the Red Army in 1918 where he took part in air operations on both fronts.

[2] Around 1962 the Soyuz Joint Experimental Plant began development of liquid rocket motors to stabilize and orient spacecraft.

Further developments in this area led to the creation of the Yakovlev Yak-38, which was fitted with a Tumansky R-27V-300 and two Rybinsk RD-36-35F engines.

[3] Sergei Konstantinovich Tumansky died on 9 September, 1973 in Moscow, and was buried at the Novodevichy cemetery.