Moscow region. 27-30 September 1972. City of Dubna. Streets. Joint Institute for Nuclear Research. Participants in the meeting room, corridors, laboratories, experimental workshops. Speakers: VPSarantsev, NN Bogolyubov. Among those present: MS Rabinovich, AD Kovalenko, N. B. Rubin, MA Lieberman, AG Zeldovich. General plan of the accelerator of elementary particles. At the symposium, there are foreign scientists: G. Lambertson (USA), A. Brook (France), A. Miyahara (Japan) and others.