Pavel Matveevich Obukhov is one of the most prominent figures in history of domestic steelmaking development - engineer-metallurgist, the founder of large manufacture of cast steel and steel gun tubes in Russia. He is the scientist who opened a way of high-quality steel production. It became the major condition of Russian artillery perfection and gave a "steel independence " on Germany and England to Russia . P.M. Obukhov is an outstanding patriot, the Russian master of steel weapon, founder of the most reliable steel guns in the world.