Copy of James Dewey ("Jim") Watson's Honest Jim, an early typescript draft manuscript of what later became known as the The Double Helix: a personal account of the discovery of the structure of DNA (1968)

Correspondence between Pontecorvo and James Dewey ("Jim") Watson concerning Pontecorvo's comments on his manuscript Honest Jim

Copy of James Dewey ("Jim") Watson's Honest Jim, an early typescript draft manuscript of what later became known as the The Double Helix: a personal account of the discovery of the structure of DNA (1968)

Postcard sent to Pontecorvo from James Dewey ("Jim") Watson and family wishing him a Merry Christmas

Correspondence between Pontecorvo and James Dewey ("Jim") Watson concerning Pontecorvo's comments on his manuscript Honest Jim

Postcard sent to Pontecorvo from James Dewey ("Jim") Watson and family wishing him a Merry Christmas

Letter to Pontecorvo from Professor Ernst Mayr concerning developments in the Department of Biology at Harvard

Transcript of a dicussion between Dr Francis Harry Compton Crick, Professor James Dewey ("Jim") Watson, and Professor Sir Michael Swann, Chairman of the Governors of the BBC, about Watson and Crick's Nobel Prize achievment and their research on DNA

Transcript of a dicussion between Dr Francis Harry Compton Crick, Professor James Dewey ("Jim") Watson, and Professor Sir Michael Swann, Chairman of the Governors of the BBC, about Watson and Crick's Nobel Prize achievment and their research on DNA

Presscuttings with articles relating to Dr Francis Harry Compton Crick and Professor James Dewey ("Jim") Watson

Presscuttings with articles relating to Dr Francis Harry Compton Crick and Professor James Dewey ("Jim") Watson

Photographs of Pontecorvo with friends and colleagues in Cold Spring Harbor 1946, and in Switzerland in 1953

Photographs of Pontecorvo with friends and colleagues in Cold Spring Harbor 1956, and at a meeting about Recombination, c1960