Sir Joseph Rotblat , a physicist who was the only scientist to quit working on developing the atomic bomb for moral reasons and who won the Nobel Peace Prize a half-century later for his worldwide campaign to eliminate nuclear weapons , died Wednesday night in London .
Joseph Rotblat /people/deceased_person/place_of_death London
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Joseph Rotblat
PERSON
London
LOCATION
/people/deceased_person/place_of_death