Timeline
| 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.
He became officially the substitute. |
| 1857 | Became the youngest Officer of the Legion of Honour then commander. |
| 1862 | He started to compensate Émile de Beaumont |
| 1875 | Named titular of the pulpit of Geology A decree of 21st of January reorganized the Service. Mr. Jacquot, Inspector general of the Mines. |
| 1886 | Died Inspector general of first class on 14th of November. |
| 1887 | Named director of the Service and remained at his head until his retirement. |


