Yokohama, a quiet fishing village when Commodore Matthew Perry arrived with his gunboat diplomacy in the mid-1800s, was quickly transformed into a bustling port for international trade. The change brought affluent foreigners to the city but also mobilized Japanese nationalist hostilities. It was in this setting that Ron and Martin Baenninger's Canadian mother and Swiss father met in 1933. Relying on Ron's early memories, their mother's diary, and...