Sergei Alekseyevich Lebedev (Серге́й Алексе́евич Ле́бедев) (November 2, 1902, n.s. - 1974) - Soviet/Russian/Ukrainian scientist in the field of electrical engineering and computer science. Full member of Ukrainian Academy of Sciences  (1945), USSR Academy of Sciences (1953). 

Lebedev was born in Nizhny Novgorod, Russia. He graduated from Moscow State Technical University (MSTU) in 1928. In 1928-1946 he worked at All-Union Electrotechnical Institute (formerly a division of MSTU) in Moscow and Kiev. In 1946-1951 he headed the Kiev Electrotechnical Institute of the Ukrainian Academy of Sciences. In 1952 he became a professor at Moscow Institute of Physics and Technology. From 1953 until death he was the director of Institute of Precision Mechanics and Computer Engineering which was later named after him.

Lebedev was the head of the research group, which created MESM the fist digital programmable computer in Continental Europe (1950). This group also created BESM series of computers.

Lebedev died in Moscow and interned at Novodevichy Cemetery.

See also

• History of computing hardware