Henri Lefebvre
One of the most important French thinkers of the twentieth century, Henri Lefebvre -- in particular, his 1947 book The Critique of Everyday Life -- exerted a profound influence on, among others, the members of the Situationist International; Lefebvre even became associated with the situationists personally in the years immediately following 1958, when he was excluded from the French Communist Party. Lefebvre's close association with the situationists lasted until 1962. Lefebvre's personal contact in the 1958 to 1962 period was primarily with Guy Debord. After the 1962 reorganization, it was Debord's theory of the spectacle that replaced the theories of psychogeography, diversion and la derive (the drift) at the center of the situationist project. His relationship to it extended beyond, in particular, with respect to Debord and Society of the Spectacle (1967), as The Production of Space, originally published in French in 1974, is an explicit attempt to continue the situationist proje