Although she was born long after the Japanese cities of Hiroshima and Nagasaki were devastated by atomic bombs, 58-year-old Yoshiko Watanabe couldn't stop weeping on Friday night when she learned atomic survivors had won the Nobel Peace Prize.

For many Japanese survivors of the U.S. atomic bombings of Hiroshima and Nagasaki and their relatives, Friday’s awarding of the Nobel Peace Prize to a Japanese organization against nuclear weapons giv

Many survivors of the Hiroshima and Nagasaki attacks have dedicated their lives to campaigning for nuclear disarmament. Their mission has grown more urgent as the number of living witnesses to the bombings has dwindled.