For the Anniversary of Ruslan Grigorievich Gagkuev

The work is a review of the scientific and social activities of the Doctor of Historical Sciences, Chairman of the Board of the Russian Historical Society, Executive Director of the History of the Fatherland Foundation – Ruslan Grigorievich Gagkuev. The article analyzes the works of the historian and assesses his organizational contribution to the development of historical knowledge and, in particular, to the historiography of the Civil War in Russia. The activities of Ruslan Grigorievich on the development of historical science in the Omsk region are described.