House-Museum of Academician D. N. Pryanishnikov in Irkutsk. Exhibits of the house-museum: documents, personal belongings, photographs of D. N. Pryanishnikov. View of the laboratory where DN Pryanishnikov worked. Extraction of saltpeter in deposits in Chile. Industrial production of saltpeter at enterprises in the USSR. Fertilizer production. D. N. Pryanishnikov gives a lecture to students (1928), talks with students (1947). Presentation to D. N. Pryanishnikov of the Order of the Red Banner of Labor, the gold star of the Hero of Socialist Labor (1944, 1945). D. N. Pryanishnikov, L. A. Orbeli at the jubilee session of the USSR Academy of Sciences.