sentences:  Its expositions demonstrated "achievements" of the German occupation and crimes of Joseph Stalin's regime.The museum's director was a famous Ukrainian historian Oleksandr Ohloblyn who used this opportunity to organize an exhibition about cultural monuments destroyed by Bolsheviks.Several historians, such as Oleksandr Hruzynsky, Svitozar Drahomanov, Natalia Polonska-Vasylenko etc.