Richard Hofstadter's classic essay, first published in 1964, analyzes a persistent strain in American political thought characterized by heated exaggeration, suspiciousness, and conspiratorial fantasy. Hofstadter traces this paranoid style from the anti-Masonic movement of the 1820s through anti-Catholic nativism to the McCarthyism of his own era, showing how similar rhetorical patterns recur across different historical moments and political targets. The paranoid spokesman, Hofstadter argues, sees history as conspiracy, the world as threatened by vast, sinister forces that ordinary citizens cannot perceive. This style appears on both left and right, though Hofstadter focused on the right-wing movements of his time. He distinguishes between clinical paranoia and the political style he analyzes, noting that the paranoid style's adherents are not necessarily paranoid as individuals but employ a mode of political expression borrowed from paranoia. The essay illuminates how fringe movements influence mainstream politics and why conspiracy thinking proves so resilient despite its disconnect from evidence. Hofstadter's analysis has gained renewed relevance as contemporary politics increasingly exhibits the patterns he identified, from QAnon to election denial. The essay provides essential vocabulary and analytical tools for understanding political discourse that seems irrational but follows its own internal logic.