The building of the Academy of Sciences in Leningrad. General meeting of the Academy of Sciences. The text of the appeal of the People's Commissar of Education A.V. Lunacharsky to the President of the Academy of Sciences A.P. Karpinsky about the cooperation of Russian scientists. Text of the letter of Academician A.P. Karpinsky (March 24, 1918). The text of the document on improving the life of scientists. Photographs, individual filming of Soviet scientists; among them: A. F. Ioffe, V. I. Vernadsky, N. S. Kurnakov, P. P. Lazarev, S. A. Chaplygin, V. M. Bekhterev, G. M. Krzhizhanovsky, D. N. Pryanishnikov , N. I. Vavilov, N. K. Koltsov, D. S. Rozhdestvensky, V. G. Khlopin, N. N. Semenov, P. L. Kapitsa, L. A. Artsimovich, A. P. Aleksandrov, I V. Kurchatov, O. Yu. Schmidt, I. P. Pavlov, S. F. Oldenburg. NI Vavilov among the delegates of the breeders' congress in Saratov (1920). NK Koltsov speaks at the opening of the monument to KA Timiryazev. Opening of the First Agricultural Exhibition in Moscow, GV Chicherin speaks. Solemn meeting on the occasion of the 200th anniversary of the Academy of Sciences (1925). Speech by GM Krzhizhanovsky at the VIII Congress of Soviets. Opening of the first power plant in the village of Kashino, Volokolamsk District, Moscow Region. IP Pavlov and G. Wells on the territory of the Institute in Koltushi near Leningrad.