The Existentialists had a profound influence upon subcultural development. Jean-Paul Sartre and Albert Camus transferred their French resistance underground campaign to the context of a cultural revolution and the American beat scene joined the movement. The emphasis on freedom of the individual influenced the beats in America and Britain and this version of existential bohemianism continued through the 1950s and into the 1960s under the guise of the beat generation. Beards and longer hair returned in another attempt at returning to the image of "peacetime man" and the normality which had existed before the two wars. At the same time, as a result of American post-war prosperity, a new identity emerged for youth subculture: the "teenager".