Two letters sent to Pontecorvo from Professor Charlotte ("Lotte") Auerbach sharing her thoughts on his work with the fungi Aspergillus

Correspondence between Pontecorvo and Professor Charlotte Auerbach ("Lotte") concerning a review of Elof Carlson's biography of Hermann Joseph Muller

Letters from Professor Charlotte ("Lotte") Auerbach asking if he was aware of the referee who commented on her book Mutation research

Letter to Pontecorvo from Professor Charlotte ("Lotte") Auerbach thanking him for sending Dr Joseph Alan Roper's paper on biotin synthesis and commenting on the results and a copy of a letter from Professor Hermann Joseph Muller

Correspondence with Klaus Heckmann

Biographical material relating to Charlotte Auerbach

Cassette tape labelled 'Ginsburg. Discussion with G. Beale about Auerbach and Robson (c.1994?)'

Folder of Hermann J. Muller offprints, initialled by Charlotte Auerbach

Typescript of "The Recent Excitement in the Coding Problem" by Francis Crick, signed by Charlotte Auerbach

Photographs of Pontecorvo giving lectures and receiving honorary degrees as well as others of his friends and colleagues

Cassette tape labelled 'Conversation with Henry Adam about work of Lotte Auerbach and Robson, Sept 7 1992'

Photograph of the founders of genetics Wilhelm Johannsen and William Bateson, and cards and postcards sent to Pontecorvo from friends

Letters from friends and colleagues congratulating Pontecorvo on his Royal Society Fellowship

Pontecorvo guestbook

Photographs of staff at the Institute of Animal Genetics, taken by Miron Latyszewski