Harry Brearley (1871 – 1948) famous as the inventor of stainless steel. On August 13, 1913 stainless steel produced in the laboratory first Brown-Firth.
His father worked in steel smelting. Harry Brearly at age 12 he worked at the steel mill where his father worked. After that he became an assistant in the chemistry laboratory. He also had to learn to factories overseas. After that apprenticeship as a laboratory assistant.
In 1908 two large steel mills in Sheffield agreed to fund public research laboratory: Brown Firth Research Laboratories, where Brearley to lead the project. In 1912 the laboratory researching gun barrel corrosion. The problem is that steel can not withstand high temperatures. Harry Brearley began testing the addition of chromium into steel. The study focuses on measuring a number of levels of carbon, chromium, and iron are given.