Contribution of P.N. Lashchenkov (1864—1925) to the formation of medical-sanitary service in Tomsk city (to the 400^th anniversary of Tomsk city and to the 140^th anniversary of P.N. Lashchenkov)

In the article there has been presented a biography of an outstanding Siberian hygienist, professor of Tomsk Emperor’s University P.N.Lashchenkov, a history of organization of Medical-sanitary Executive Committee in Tomsk city and of the creation of one of the first medical periodical edition «Medical chronicle of Tomsk city». A brief review of the most important for Tomk history publications has been presented.