American biologist (born 1928) who shared the 1962 Nobel Prize in Medicine for discovering the function and structure of DNA, providing the prime impetus for further research in the emerging fields of molecular genetics and biochemistry. Glossy 5 x 7 photo of an older Watson sitting before a giant model of a double helix, signed and inscribed in blue ink, “For Stephen Read from Jim Watson, A=T, G=C,” Watson adding a small sketch of a double helix. Light brush to first word of inscription, otherwise very fine, crisp condition. R&R COA.
