 Published early in the new year of 1943, the pamphlet sold a quarter of a million copies within three months and was quoted in the Parliament of Canada in 1943, and in "The Adelaide Advertiser" on Saturday 15 May 1943.Along with Rathbone, Gollancz was the foremost British campaigner during the Second World War on the issue of the Nazi extermination of European Jewry.Towards the end of June 1943, Gollancz suffered a serious nervous breakdown, believed to have been brought on by overwork (he had cut out holidays and reduced his social and cultural life) and his identification with the Nazis' victims.