Konon Berman-Yurin
Appearance
Konon Borisovich Berman-Yurin (1901-1936) was a German Communist who was a state witness in the trial of Grigory Zinoviev.
Berman-Yurin implicated himself in a "confession" made during the show trial, claiming that he had met with Trotsky in Copenhagen where they planned to assassinate Stalin.