The building of the Presidium of the USSR Academy of Sciences. Meeting of the Presidium of the USSR Academy of Sciences. On the podium: Academician A.V. Topchiev, M.V. Keldysh, M.D. Millionschikov, Chinese Ambassador to the USSR Liu Xiao, Academician A.A. Blagonravov. MV Keldysh opens the meeting. Among the speakers: Academicians V.S.Nemchinov, D.I.Shcherbakov, N.N. Nekrasov and others.