Pierre laurent wantzel biography for kids
Pierre-Laurent Wantzel, engineer of bridges and roads, lecturer and admissions o cer at l'Ecole Polytechnique, member of the Societe Philomath-ique, born in Paris June 5, , to Mr. Fred-eric Wantzel, still living, and Marie Aldon-Beaulieu, who preceded her son into the grave by six months.