奥尔加·契诃娃，Olga Chekhova (also Olga Tschechova in German), one of the most popular stars of the silent film era, remained a mysterious person throughout her life and was accused of being a Russian agent in Nazi Germany. She was born Olga Konstantinovna von Knipper on April 26, 1897, in Aleksandropol, Transcaucasia, Russian Empire (now Gyumri, Armenia).