Freeman Dyson, a British (and later American) physicist who had worked as a young man with RAF Bomber Command from July 1943 to the end of the war, wrote in later years: "For many years I had intended to write a book on the bombing. Now I do not need to write it, because Vonnegut has written it much better than I could. He was in Dresden at the time and saw what happened. His book is not only good literature. It is also truthful. The only inaccuracy that I found in it is that it does not say that the night attack which produced the holocaust was a British affair. The Americans only came the following day to plow over the rubble. Vonnegut, being American, did not want to write his account in such a way that the whole thing could be blamed on the British. Apart from that, everything he says is true." Dyson later goes on to say: "Since the beginning of the war I had been retreating step by step from one moral position to another, until at the end I had no moral position at all".