Ramesh Chopra (2005). Academic Dictionary Of Philosophy. Gyan Books. p. 143. ISBN978-81-8205-224-6. Renowned French chemist. He was one of the greatest chemists in Europe at the time. He made innumerable discoveries in the science, and even the restored royalty made him a Peer of France, although he worked politically with the anti-clericals. He was closely associated with Arago and shared his atheism.