Drawing on primary sources and startling photographs, a renowned authority investigates the events that led up to the disaster at Hiroshima in 1945 -- and discusses the consequences we are still living with today. My God, what have we done? -- Copilot of the Enola Gay, after dropping the first atomic bomb On August 6, 1945, the United States of America dropped the world's first atomic bomb, on the Japanese city of Hiroshima,...