Sir William Ramsay KCB FRS (William Ramsay, Jr.; 2 October 1852 – 23 July 1916) was a Scottish chemist. Ramsay discovered the noble gases. He also helped discover several elements that are on our periodic table today. He received the Nobel Prize in Chemistry in 1904 "in recognition of his services in the discovery of the inert gaseous elements in air" (along with Lord Rayleigh).