 In the 1970s he worked, under the direction of Louis-Vincent Thomas, on his Habilitation (doctorat d’état) on György Lukács, presented in 1975 at the University of Paris V (Descartes), and graduated with honours.Löwy lectured in sociology at the University of Paris VIII till 1978 when he was admitted as a researcher at the CNRS.In 1981 Löwy began also to lecture at the prestigious "École des hautes études en sciences sociales" (EHESS) in París; he has also been invited to lecture at Stanford University, UC Berkeley, University of Michigan at Ann Arbor, Columbia University and Harvard University, as well as other US Universities.