When comedian and impressionist Jess Robinson decided to dig into the archives of her German Jewish ancestry, she found an unlikely shared sense of identity with her maternal grandmother, who had lived through the Holocaust. At 23, Robinson, now a regular on shows including Dead Ringers, Spitting Image, and Horrible Histories, was then struggling with a fledging acting career. At 23, her German Jewish grandmother, Rosi Schul, a teacher, documented in her diary how she was deported to Poland by the Gestapo, suffering and witnessing the horrors of the treatment of her countrymen by the Nazis. So forms the juxtaposition...