Joseph Louis Gay-Lussac (1778) It was on this date, December 6, 1778, that French chemist Joseph Louis Gay-Lussac was born in Saint-Léonard-de-Noblat. He studied at the École Polytechnique, then at the École des Ponts et Chausses, and apprenticed under the famous chemist Claude Louis Berthollet. Gay-Lussac returned to the École Polytechnique to became professor of […]