18 April] 1879 – 6 January 1921) was a Russian chemist, Bolshevik revolutionary and one of the main organisers of the chemical industry in Soviet Russia.

He was a member of the League of Struggle for the Liberation of the Working Class and later joined the Russian Social Democratic Labour Party in 1898.

After the October Revolution, he became the head of the department of the chemical industry of the RSFSR and founded the Central Chemical Laboratory (now Karpow-Institute for Physical Chemistry) in Moscow in 1918 and was appointed several high-ranking positions in the soviet administration such as becoming a member of the Supreme Council of the National Economy of the RSFSR.

Lev Karpov died on January 6, 1921, in Moscow, and is buried in Mass Grave No.

And I am certain that when that time will come, when the liberation of mankind, using all the might of science and technology, the strength and capacity of which we cannot now imagine, will be able to resurrect great historical figures- and I am certain that when that time will come, among the great figures will be our comrade, Lev Iakovlevich.