1822 – Born on the 4th of March in France.
1841 – He entered the École Normale Supérieure.
– He became professor of mathematics at the Lycée Saint-Louis.
1850 – He was awarded a doctorate for a thesis on vibrating bars using Chladni’s sand pattern method to determine nodal positions.
– He was interested in waves and developed an optical method for studying vibrations. At first he studied waves produced by a tuning fork in contact with water.
1855 – He described a way of studying acoustic vibrations by reflecting a light beam from a mirror attached to a vibrating object onto a screen.
1873 – He was awarded the Lacaze Prize for his work on the optical observation of vibration.
1874 – Became rector of the Academy at Chambéry.
1875 – He was appointed rector of the Academy at Besançon.
1880 – Died on the 24th of June.