Dmitry Likhachev
Dmitry Sergeyevich Likhachev (Russian: Дми́трий Серге́евич Лихачёв, also spelled Dmitrii Likhachev or Dmitry Likhachov; 28 November [O.S. 15 November] 1906 – 30 September 1999) was a Russian medievalist, linguist, and an inmate of Gulag. During his lifetime, Likhachev was considered the world's foremost scholar of the Old Russian language and its literature.