It was not long after Navier's graduation that his granduncle Emiland Gauthey died and Navier, who had left Paris to undertake field work, returned to Paris, at the request of the Corps des Ponts et Chaussées, to take on the task of editing Gauthey's works. Anderson writes in:
Ito ay hindi long matapos Navier's graduation na kanyang granduncle Emiland Gauthey namatay at Navier, na kaliwa Paris upang magsagawa ng field ng trabaho, bumalik sa Paris, sa kahilingan ng Corps des Ponts et Chaussées, mag-sa ang gawain ng e-edit ng Gauthey ang gumagana. Anderson magsusulat sa: