 In 1934, he worked alongside Anuerin Bevan to organise a national hunger march.By 1939, Hill was the London delegate to the executive committee of the Boilermakers, and in 1948 he was elected to the General Council of the Trades Union Congress (TUC).In 1949, he was elected as General Secretary of the union, and soon acquired a reputation as a left-winger, aligned with the Labour Party but often critical of its policies – a supporter of unilateral disarmament and generally an opponent of militarism.