If Theodor Meron had arrived back at his cramped dwelling in the Jewish ghetto in southern Poland just a few minutes earlier in June 1943, he would have been executed along with his mother and maternal grandparents. The Nazis had raided the ghetto and found secret tunnels being dug outwards from the edge. Instant reprisals followed. All occupants of the ‘border houses’ were taken out of town and shot. The next day, the entire Jewish population was gathered for selection. The majority were loaded onto trucks to be executed. It was a second piece of luck that Theodor was deemed...