The influential English social reformer who established the welfare state in Britain after World War II was Aneurin Bevan. Serving as Minister of Health, Bevan was a key architect of the National Health Service (NHS) launched in 1948. His vision was rooted in the belief that healthcare should be a right for all, regardless of income. Bevan’s efforts led to transformative policies that reshaped British society and influenced global social justice initiatives, emphasizing the government's role in ensuring social welfare.