“To quell this violence, Dr Staub had a simple idea, one that hinges on the role of active bystanders like Ms Gogan and the diplomat who saved his life. ‘These people were heroic active bystanders who put themselves into great danger,” Dr Staub said. “They had a huge influence on my motivation to study what leads people to help others.'” A Holocaust survivor’s mission to train ‘heroic bystanders.’