"In 1939, Jonathan Lichtenstein's father Hans escaped Nazi-occupied Berlin as a child refugee on the Kindertransport. Almost every member of his family died after Kristallnacht, and, arriving in England to make his way in the world alone, Hans turned his back on his German Jewish culture. Growing up in post-war rural Wales where the conflict was never spoken of, Jonathan and his siblings were at a loss to understand their father's relentless drive...