British physicist (1897-1967) who received the Nobel Prize in Physics for splitting the atomic nucleus, and was instrumental in the development of nuclear power. TLS, one page, 5 x 8, personal letterhead, October 11, 1961. Brief letter to Nobel Prize-winner Joseph Rotblat informing him that he will sign a statement for the Pugwash Conference. In full: “I confirm that I am willing to sign the statement agreed at the Conference at Stowe.” In fine condition, with bisecting mailing folds. RRAuction COA.