The Age of the Crowd is at one level an historical account of the development of mass psychology, and at another an analysis of its implications for prevalent political and social life. It was the prophecy of Gustave Le Bon in 1895 that the twentieth century would be 'l'ge des foules' that gave Serge Moscovici the title for his book, and it presents a systematic exposition of Le Bon's ideas and those of Gabriel Tarde, demonstrating convincingly their...