Peter
Sergeevich Tkachevsky

In 1921, then in 1923, a professional archaeologist and artist P. S. Tkachevsky excavated two barrows and carried out small excavations on the site. Were found flint fragments, pottery shards with linear and patching ornaments and animal bones. In addition, Tkachevsky collected all available archival and printed material about the archaeological complex of Gat, made measurements, drawings, drawings of the ancient settlement and burial grounds. The researcher also came to the conclusion that the presence in the upper reaches of the Oka such settlements and burial mounds, as in Gati, indicates "stay here Vyatichi".

A very famous figure in the cultural life of the Oryol region in the twenties; he headed the Department of GUBEN and the Commission for the protection of monuments of antiquity and art. Peter S. made a great contribution to the formation, study, description, and preservation of Museum collections, monuments of history and culture in the development of the Museum network of the province, on his initiative and with his direct participation created the museums in Mtsensk, Volkhov, Novosil, Livny, Orel, Karachev.

In 1925 was created the Orel local history society, bringing together renowned researchers of the history. It was headed by P. S. Tkachevsky - head of Museum of history and arts. Society consisted primarily of local historians and Museum workers. At the beginning of Stalin's dictatorship, the repression has affected the Museum staff and researchers of the region. In the "Case of the historians" in Orel was arrested P. V. Malashenko, I. Lebedev, V. V. Petkov in Moscow P. S. and M. Tkachevsky V. Viktorova-Obolenskaya.