The picture shows a group of women enjoying blueberries next to a man, smiling. Another man poses at the back, playing an accordion. The image is one of 116 photos in an album that belonged to an SS officer who helped run the day-to-day operations of Auschwitz. The album doesn't show any prisoners or gas chambers, instead it shows some of the most infamous officers at the camp seemingly enjoying themselves: singing, socializing, and lighting a Christmas tree at a time when more Jews were being exterminated at the camp than any other period during the Holocaust. Acclaimed playwright and...