City of Moscow. Solemn meeting to mark the opening of a memorial plaque on the building of Dziga Vertov TSSDF. Speakers: L. Makhnach, AI Medvedkin, IA Grigor'ev. Present: A. Koloshin, SN Pumpyansky, SG Kiselev, AM Zenyakin, VF Konovalov, OV Uralov, VV Mikosha, EV neat and others. Employees TSSDF laying flowers at the memorial plaque.