Harry Brearley

Biography

Harry Brearley was born on February 18, 1871, in Sheffield, England, to a steel melter. Growing up in one of the leading steel-producing cities, he left school at twelve and started working at a local steel firm. He taught himself metallurgy through self-study and hands-on experience. This self-taught approach to metal science defined his career and distinguished him from formally trained peers.

By the early 1900s, Brearley had become a skilled metallurgist and worked at the Brown Firth Research Laboratories in Sheffield. In 1912, he was asked to develop a metal alloy that could withstand erosion in gun barrels. During his experiments with various iron-chromium alloys, he noticed in 1913 that a sample with about 12.8 percent chromium resisted corrosion and didn’t rust. Although initially dismissed as a lab curiosity, Brearley saw the practical potential of this material, particularly for making cutlery.

Commercializing the new alloy wasn't easy. Brearley faced skepticism from established cutlery makers who were wary of the new material and hesitant to adopt new manufacturing methods. He partnered with a local cutlery maker, Ernest Stuart, who coined the term 'stainless steel' for its rust-resistant quality. The name caught on and became the standard term in English. The discovery revolutionized the cutlery industry in Sheffield, making rust-resistant knives and forks available to ordinary people, not just the wealthy.

In his later years, Brearley was recognized for his contributions to metallurgy. He received several honors, including the Freedom of the City of Sheffield, and an honorary degree. He wrote an autobiography, Knotted String, which shared his working-class background and self-taught expertise. He also published Steel-Makers and other works about the steel industry and his experiences. Despite the global impact of his discovery, he remained closely tied to Sheffield throughout his life.

Harry Brearley died on July 14, 1948, in Torquay, Devon, at seventy-seven years old. By then, his discovery of stainless steel had become one of the most important contributions to materials science in the twentieth century, used in everything from surgical instruments to architecture, food processing, and transportation.