How do large groups of intelligent people lose their mind? Scottish journalist Charles Mackay documents mass delusions in this classic written in 1841. Click here for past recommendations. Description Extraordinary Popular Delusions and the Madness of Crowds is an early study of crowd psychology by Scottish journalist Charles Mackay, first published in 1841. The book chronicles its subjects in three parts: "National Delusions", "Peculiar Follies", and "Philosophical Delusions". MacKay was an accomplished teller of stories, though he wrote in a journalistic and somewhat sensational style.
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