High Quality Content by WIKIPEDIA articles! Valentin Avrorin (born in Tambov Russia 1907-1977) to a family of teachers, was a Corresponding Member of the Academy of Sciences of the USSR and an expert in languages. He was outstanding in the sphere of Tungus and Manchurian languages, and was one of the active creators of the Nanai written language. In 1925 Avrorin graduated from one of the Tambov schools.