 During World War II she worked in munitions factories and joined a group of left-wing German Jewish refugees who hoped to re-introduce democracy in their homeland – "the foundation of my political education which still stands me in good stead today," she said.Some 60 years later, she was interviewed about this experience for the film "".After the war, Epstein worked with the Allied occupying forces in Germany, including working on the Doctors' trial at Nuremberg.