Typed biography, one page, 8.5 x 11, most likely done by a collector. Biography begins “An American chemist won the 1954 Nobel prize in chemistry and the 1963 Nobel peace prize. He and Marie Curie are the only persons to win two Nobel awards.” Signed at the conclusion in fountain pen by Pauling. In fine condition, with a horizontal fold above signature and a couple corner creases. RRAuction COA.