1-3 hours. The history of Soviet science and the activities of the All-Union Society "Knowledge". The role of the Polytechnic Museum in the study of science and technology, museum exposition. Activities of houses of science and technology: exhibitions, lectures. The work of the publishing house of the "Knowledge" society. Universities of culture. 3h Composer A.G. Novikov conducts classes at the University of Musical Culture with collective farmers of the Leninsky Luch collective farm near Moscow.