The political content of his broadcasts and his hopes of a new and different Britain after the war influenced the politics of the period and helped the Labour Party gain its landslide victory in the 1945 general election.
; 13 September 1894 – 14 August 1984) was an English novelist, playwright, screenwriter, broadcaster and social commentator.
His Yorkshire background is reflected in much of his fiction, notably in The Good Companions (1929), which first brought him to wide public notice.
The Postscript, broadcast on Sunday night through 1940 and again in 1941, drew peak audiences of 16 million; only Churchill was more popular with listeners.
Graham Greene wrote that Priestley "became in the months after Dunkirk a leader second only in importance to Mr. And he gave us what our other leaders have always failed to give us – an ideology." It was thought that this was the effect of complaints from Churchill that they were too left-wing; however, in 2015 Priestley's son said in a talk on the latest book being published about his father's life that it was in fact Churchill's Cabinet that brought about the cancellation by supplying negative reports on the broadcasts to Churchill.