Group of thirteen items signed by winners of the Nobel Prize in Chemistry, including: Paul Berg (FDC), Melvin Calvin (SP), Martin Chalfie (FDC), Robert Curl (FDC), Johann Deisenhofer (FDC), Herbert A. Hauptman (SP), Alan J. Heeger (FDC), Gerhard Herzberg (SP), Roald Hoffmann (SP), Linus Pauling (stamp sheet), Glenn Seaborg (SP), Michael Smith (SP), and Harold C. Urey (FDC). In overall fine condition, with an ink blot to the end of Chalfie's signature.
