He was chief engineer in the early construction work of the Paris Metro, from 1896.
The station Montparnasse-Bienvenüe of the Paris Metro is named after him.
... the town the population is spread out with 22.3% under the age of 18, 6.3% from 18 to 24, 31.0% from 25 to 44, 26.9% from 45 to 64, and 13.5% who are 65 years of age or ...