[Henri Moissan, a prestigious chemist].

Way followed by Moissan in the field of inorganic chemistry. Isolation of fluorine and its developments. Artificial diamond production by simultaneous actions of high pressures and high temperatures. Arc electric furnaces, and powerful models enabling temperatures up to 3000 degrees C. High pressures obtained by fast cooling of iron-carbon alloys melted at high temperature. Numerous distinctions from foreign Chemical Societies, of which the Nobel Prize.