Photographs of James D. Watson and Francis Crick at the Salk Institute. One photographs is autographed by Watson and Crick. Also includes a letter from Maureen Berejka (Watson's assistant).
Two photographs of James D. Watson and Francis Crick with Double Helix model at Banbury Meeting. One photograph is autographed by both Watson and Crick. Also includes copy of newspaper article from "The Long Islander" featuring copy of photograph.