Nikolay Krestinsky, Soviet Ambassador to Germany (Jul 1923 to Sep 1930). Behind him the Deputy Trade representative Turov. Standing on the right is Voldemar Aussem who later became Plenipotentiary Representative to Austria (May to Dec 1924). Krestinsky and Aussem were repressed during the Great Purge.
The Moscow trials were a series of show trials held by the Soviet Union between 1936 and 1938 at the instigation of Joseph Stalin. They were nominally directed against "Trotskyists" and members of the
Prosecutor General Vyshinsky (centre), reading the indictment, in 1937