When she was nine years old, Hetty Bower (September 28, 1905–November 12, 2013) saw the wounded veterans returning from the battlefields of WWI and became an unflinching opponent of war. She spent the century that followed fighting for social justice as one of Britain’s most unrelenting political activists. Among her last words when she died at the age of 108 was the song she sang with her daughters during those final days, and the refrain to her entire life: “Ban the bomb, for ever mor...