 Perronet's designated successor as first engineer and director, de Voglie died prematurely of illness before he could succeed him.The architect François-Michel Lecreulx (1729–1812) (de Voglie's longtime boss at Saumur) said of him that "No one possessed a great spirit of conciliation in business than he did; no one was more intelligent in combining under all the faces nor more proper in seizing the convenient moment for his success.He brought together indefatigable activity with a singular facility for its use."