After that he served as surgeon to the workers of the gold mines of Lensk. Il devint ensuite chirurgien dans les mines d'or de Lensk.
2.
Lensk has a history museum and operates a branch of the Irkutsk Polytechnic Institute. Lensk dispose d'un muséum d'histoire qui est une annexe de l'Institut polytechnique d'Irkoutsk.
