1872 – Born on January 23rd in Paris. French physicist who contributed to the studies of magnetism and X-ray emissions, especially paramagentic (weak attractive) and diamagnetic (weak repulsive) phenomena in gases.
1902 – Langevin became director of the Ecole Municipale de Physique et de Chimie Industrielles, where he had been teaching.
1904 – He was professor at the Collège de France.
1915 – Recipient of Hughes Medal.
1940 – Received the Copley Medal.
1944 – He was arrested by the Nazis for his antifascist views. He escaped to Switzerland, returning after the liberation of Paris.
1946 – Died on December 19th in Paris.