コンスタンチン・スタニスラフスキー
Sokoloff was born in Moscow, Russian Empire, to a German Jewish family. He was raised bilingual, speaking both Russian and German. He studied theatre in Moscow, first at the Moscow State University and later at the Russian Academy of Theatre Arts, graduating in 1913. At one point a pupil of Constantin Stanislavski, he would later reject Method acting (as well as all other acting theories).