Grigory Vasilievich Esipov (1812-1899) - Russian historian, writer, was in charge of the general archive of the Ministry of the Imperial Court. He devoted a lot of time to archival research, being engaged, to a large extent, in the search for unknown documents of the Petrine era. The fruit of Esipov's archival studies on the history of the XVIII century. was, since 1851, a number of historical articles and semi-fiction essays in the Russian Bulletin, Russian Archive, Russian Speech, Russian Word, Domestic Notes, Russian Conversation and other popular magazines of that time. In 1861 he published the "Collection of documents on the case of Tsarevich Alexei Petrovich."