ON August 6, 1945, America dropped an atomic bomb on Hiroshima, instantly killing 70,000–80,000 people and injuring another 70,000. The atomic bomb changed the world. President Truman promised a 'rain of ruin' would fall on America's enemies if they didn't surrender.
The chief architect of the atomic bomb project was a physicist, Robert Oppenheimer. Mr Oppenheimer had mixed feelings about his project. Initially, he was delighted that it worked at all. Read more