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).
Colin Snedeker
Colin M. Snedeker (January 5, 1936 – October 22, 2016) was a British-born American chemist best known as the inventor of the first washable crayons. Snedeker developed the washable crayon while working as a chemist for Binney & Smith, which was the parent company of Crayola crayons at the time, in response to complaints from parents and consumers. He won the patent for the washable solid marking composition utilized in the crayons in 1990. He also developed products for Kiwi shoe polish and DuPont.