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).
James Gayley
James Gayley (October 11, 1855 – February 25, 1920) was an American chemist and steel metallurgist who served as a managing director of the Carnegie Steel Company, and as the first vice president of U.S. Steel from 1901 to 1908. He is credited with many inventions which positively impacted the fields of steel and iron making. Due to his contributions in the field of metallurgy, he was awarded the Elliott Cresson Medal in 1909, and the Perkin Medal in 1913.
Gayley was born on October 11, 1855, in Lock Haven, Pennsylvania, to Samuel and Agnes Gayley; Samuel was a Presbyterian minister who emigrated to the United States from Ireland at around 1840. Gayley spent much of his youth in West Nottingham, Maryland, where he attended West Nottingham Academy. He entered Lafayette College at age 16, where he graduated with a degree in mining engineering in 1876.