Collection of fourteen items, each signed by a winner of the Nobel Prize for Chemistry, including: Christian B. Anfinsen (signed article), Derek Barton (signature and signed press release), Paul Berg (signed article), Herbert C. Brown (signed school newspaper and signed article), Adolf Butenandt (TLS), Melvin Calvin (signature), Thomas Cech (signature), John Cornforth (signed press release and signature), Donald Cram (greeting card), Manfred Eigen (signature), and Richard Ernst (signed booklet). In overall fine condition.