Prisoners of Conscience: Arkady Shpilberg, Riga; Boris Kochubievsky, Kiev; Mikhael Shepshelovich, Riga; Victor Boguslavsky, Leningrad; Leib Knokh, Riga; Arkady Voloshin; Alexander Galperin; Reiza Palatnik; Harry Kirshner; David Robinovich; Anatoly Goldfeld.