Levin (Lewin) Shneer (Schneer) Mendelevich (1897, Dagda, Vitebsk province — 1969, Leningrad) — historian, Doctor of Historical Sciences.

In 1917 Shneer Levin graduated from the General Education Faculty of the Psychoneurological Institute in Petrograd. During his student years he was close to the Social Democrats–Internationalists. In 1923 he completed the Social-Historical Faculty of the A. I. Herzen Petrograd Pedagogical Institute.

In 1919–20 he worked as an archivist at the Petrograd Historical-Revolutionary Archive; in 1925–26 he was deputy editor of the journal Byloe; in 1927–30 an editor in the Leningrad branch of Gosizdat.

In 1929–35 he served as editor and consultant for the publishing house of the All-Union Society of Former Political Prisoners and Exiles; in 1930–33 he was a consultant and author of numerous articles for the biobibliographical dictionary Figures of the Revolutionary Movement in Russia. From 1934 he worked at the Leningrad branch of the Institute of History of the USSR Academy of Sciences.

He was one of the authors of the second volume of the university textbook History of the USSR (1940). He spent the winter of 1941–42 in besieged Leningrad, where he wrote and published two pamphlets — The Brusilov Breakthrough and The Great People’s Militia. In 1942–45 he was evacuated to Tashkent.

Returning to Leningrad in May 1945, he resumed work at the Leningrad branch of the Institute of History. He authored more than 100 scholarly works on the history of Russian social thought of the 19th century and the history of the revolutionary movement in Russia in the second half of the 19th century. Working in Leningrad archives, he identified and introduced into scholarly circulation a significant body of documents on the history of the Russian social movement (published in Krasnyi Arkhiv, Krasnaya Letopis’, Katorga i Ssylka, and others).

Works: Дмитрий Александрович Клеменц. Очерк революционной деятельности (Dmitrii Aleksandrovich Klements: An Outline of Revolutionary Activity), Moscow, 1922; Брусиловский прорыв (The Brusilov Breakthrough), Moscow–Leningrad, 1941; Великое народное ополчение (The Great People’s Militia), Moscow–Leningrad, 1941 (co-author); Буржуазные реформы 1860-х годов (The Bourgeois Reforms of the 1860s), Moscow, 1947 (co-author); Общественное движение в России в 60―70-е годы XIX в. (The Social Movement in Russia in the 1860s–70s), Moscow–Leningrad, 1958; Очерки по истории русской общественной мысли. 2-я пол. XIX — нач. XX века (Essays on the History of Russian Social Thought, Second Half of the 19th – Early 20th Century), Leningrad, 1974.