 The Dioskouroi sculpture from the roof disappeared during this time, and rumours abounded that it was dumped in the Moika River by the crowd, however, researchers have been unable to find any fragments of the sculpture in the river.After the war, the Germans returned to the city in 1922, at the time known as Petrograd, and operated a consulate from the building, representing the Weimar Republic and later Nazi Germany, until 1939.During the Siege of Leningrad, the Red Army operated a hospital in the premises, and after the Great Patriotic War it housed the Institute of Semiconductor Physics.