CERMICS, Ecole des Ponts ParisTech, Marne-la-Vallee Cedex, France.

J.-F. Pommaret graduated from French Ecole Polytechnique and Paris University in mathematics and theoretical physics. He studied the formal theory of systems of partial differential equations with Prof. D. C. Spencer in Princeton and applied these new mathematical tools to the foundations of engineering and mathematical physics. He is the author of more than 150 publications and six books published by international editors.