Participants of the meeting in the hall. Among those present: Director of the Joint Institute for Nuclear Research DI Blokhintsev, Director of the Institute of Atomic Physics in Bucharest Hulubei Horia. Polish scientist M. Ya.Danysh, Czechoslovak scientist V. Yu. Votruba, Director of the Laboratory of Nuclear Problems of the Joint Institute for Nuclear Research V.P. Dzhelenov, Director of the Laboratory of Neural Physics, Corresponding Member of the USSR Academy of Sciences, Nobel Prize Laureate I.M. Frank, scientists from Hungary, East Germany, Mongolia, NSRA and other states. The meeting was opened by DI Blokhintsev. Speakers V. P. Dzhampov, Academician N. N. Bogolyubov, V. G. Soloviev, V. I. Veksler, I. M. Frank, Doctor of Physical and Mathematical Sciences G. N. Flerov.