Who is the Russian scholar, whose interpretation of metalinguistics, Jacob L Mey describes in his book, Trends in Lingusistics?
Metalinguistics: Metalinguistics is the branch of linguistics that studies language and its relationship to other cultural behaviors. Metalinguistics:  Jacob L. Mey in his book, "Trends in Linguistics", describes Mikhail Bakhtin's interpretation of metalinguistics as "encompassing the life history of a speech community, with an orientation toward a study of large events in the speech life of people and embody changes in various cultures and ages." Mikhail Bakhtin: Mikhail Mikhailovich Bakhtin ( ; Russian: Михаи́л Миха́йлович Бахти́н , ] ; 17 November [O.S. 5 November] 1895 – 7 March 1975) was a Russian philosopher, literary critic, semiotician and scholar who worked on literary theory, ethics, and the philosophy of language.
Mikhail Mikhailovich Bakhtin