Mordkhe Veynger
Mordkhe Veynger (Russian: Мордхе Вейнгер; 1890–February 4, 1929), more infrequently known as Mikhail Borisovich Veynger (Russian: Михаил Борисович Вейнгер), was a Russian and Soviet linguist. An ethnic Jew, he specialised in the study of the Yiddish language.