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).
Swiss Army knife
In 1921, as the company started using stainless steel, Elsener's son, Carl Elsener, renamed the company to "Victorinox", incorporating the abbreviation "inox" for 
"acier inoxydable", the French term for stainless steel.