1820 – Born on the 20th of January.
1848 – Became professor of Topography and the preparatory courses.
1855 – He works with Play with the organization of the World Fair.
1856 – Principal private secretary of Prince Napoleon to the transitory ministry for Algeria.
1857 – Became the youngest Officer of the Legion of Honour then commander.
1862 – He started to compensate Élie de Beaumont
1856 – He became officially the substitute.
1875 – Named titular of the pulpit of Geology.
– A decree of 21st of January reorganized the Service. Mr. Jacquot, Inspector general of the Mines
1887 – Named director of the Service and remained at his head until his retirement.
1886 – Died Inspector general of first class on 14th of November.