Lord Raingo is the fictional protagonist and title character of the 1926 novel Lord Raingo by English author Arnold Bennett, portraying a self-made millionaire elevated to the peerage for his contributions to Britain's World War I propaganda efforts. Sam Raingo, born to humble origins, amasses wealth as a promoter before being appointed Minister of Propaganda, where his innovative approaches to information control aid the war machine, culminating in his ennoblement despite his outsider status among the political elite