On October 14, 1932, Peter Lassally was born into a Jewish family in Germany, who fled to Amsterdam just prior to World War II. He attended grade school with Anne Frank, and surprisingly remembered her being unpopular. “Other girls did not like her,” Lassally told NPR in 2012. “You know, she was a bit of a loner,” he continued. When Lassally was 10 years old, he and his family were interned in the Westerbork concentration camp in the Netherlands, before being sent to Theresienstadt in Czechoslovakia—a sort of “show camp” that was used for Nazi propaganda. “I remember watching from...