Civil Engineer at the École des Mines de Paris (1963), Master of Science in Physics and Mathematics at the Faculty of Sciences in Paris (1965), Doctor of State in Physics at the Faculty of Sciences in Paris (1970), he was a CNRS researcher at the École Polytechnique (1964-1972), Professor of Mechanics at the (1972-89), Research Director at the CNRS at the École Polytechnique (1990-2006) then at ENSAM Paris (2007-2009) and Professor of Mechanics at the École Polytechnique (1990-2004).