Aleksei Musin-Pushkin

Aleksei Ivanovich Musin-Pushkin (27 March 1744 — 1817), (also spelled Aleksei Ivanovich Mussin-Pushkin) count since 1797, statesman, historian and art collector. Musin-Pushkin is credited with discovering in Yaroslavl the manuscript "The Tale of Igor's Campaign". His vast collection of antiquities also included the Laurentian Codex of the Russian Primary Chronicle and the earliest manuscripts of "Zadonshchina".
Musin-Pushkin's entire library was burned in the great Moscow fire of 1812 (during the Napoleonic occupation).