Cowinner of the 1962 Nobel Prize for Physiology or Medicine for the discovery of DNA (born 1928). Signed book: The Double Helix. NY: Signet, 1968. Paperback, 4.25 x 7, 143 pages. Signed in ballpoint on the title page. In fine, crisp condition, with just a touch of rubbing to covers and expected mild toning to interior. R&R COA.