British chemist (1852–1916) who discovered the noble gases and won the 1904 Nobel Prize in Chemistry. ALS, one page, 5 x 8, University College, London letterhead, October 22, 1903. In part: “I am unwilling to undertake any more lecturing engagements. But Mr. Fred Soddy, who’s the authority on Radium in this country, & who is working with me at present here, is willing to give a lecture on Radium should you think it desirable to ask him.” Horizontal fold and several staple holes at the top left corner, otherwise fine condition. RRAuction COA.