At the start of World War Two the government realised that, if it was to cope with the huge number of anticipated casualties, it needed to increase spending on healthcare. It also began to plan for the future.
In 1942, a civil servant named William Beveridge produced a report, the Beveridge Report, which identified five evil giants - want, disease, ignorance, squalor and idleness. In identifying disease as a barrier to progress, he proposed a free national health service.