Vladimir_Andreyevich_Uspenskii
Vladimir Andreyevich Uspensky (Russian: Влади́мир Андре́евич Успе́нский; 27 November 1930 – 27 June 2018) was a Russian mathematician, linguist, writer, doctor of physics and mathematics (1964). He was the author of numerous papers on mathematical logic and linguistics. In addition, he also penned a number of memoir essays. Uspensky initiated a reform of linguistic education in Russia.