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).
Joseph Kekuku
Joseph Kekuku (1874–1932), Born Joseph Kekuku’upenakana’iaupuniokamehameha Apuakehau is the inventor of the steel guitar.