Count Lev Alekseyevich von Perovski (Russian: ??? ??????´???? ????´?????, also transliterated as Perofsky, Perovskii, Perovskiy, Perovsky, Perowski, and Perowsky; also credited as L.A.
Perovski) (9 September 1792 – 21 November 1856) was a Russian nobleman and mineralogist who also served as Minister of Internal Affairs under Nicholas I of Russia.In 1845, he proposed the creation of the Russian Geographical Society.The mineral perovskite is named for him.