Sociologist born in 1946 in the Croissy-on-Seine, Vincent de Gaulejac is professor of Sociologie to the UFR of Social sciences of the University Paris 7 Denis-Diderot. He is one of the principal French representatives of the current of the clinical Sociologie, an approach which tries to articulate social dimensions and psychic while considering the singularity of the courses and the experiments. It uses for that the approach of the Histoires of life. This author, starting from existing biographical accounts, like in the case of the writings of Annie Ernaux and accounts of life sucsitées by research tasks worked out a certain number of lighting concepts to include/understand the problems of the social Sujet contemporary. The neurosis of class, the fight of the places, the negative identity, family romance and social trajectory constitute some of these contributions.