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Versailles, France
Plombières, France
Biography
Jules Lissajous entered the École Normale Supérieure in 1841.In 1847 he became professor of mathematics at the Lycée Saint-Louis, holding this position until 1874. He was awarded a doctorate in 1850 for a thesis on vibrating bars using Chladni's sand pattern method to determine nodal positions.
3d lissajous curveIn 1874 Lissajous became rector of the Academy at Chambéry, then in the following year he was appointed rector of the Academy at Besançon.
Lissajous was interested in waves and developed an optical method for studying vibrations.
He wanted to be able to see the waves that were created by vibrations, usually expressed in the form of sound. At first he studied waves produced by a tuning fork in contact with water, studying the ripples that were caus