Harry Brearley
Harry Brearley (18 February 1871 – 14 July 1948) was an English metallurgist, usually credited with the invention of "rustless steel" (later to be called "stainless steel" in the anglophone world).
Michael Streicher
Streicher was a leading developer of corrosion tests for stainless steels and other corrosion resistant alloys. Working through ASTM International he was instrumental in standardizing intergranular corrosion tests, including the ferric sulfate-sulfuric acid test now called the "Streicher Test" in his honor.