Letter to Pontecorvo from Professor Cyril Dean Darlington concerning Pontecorvo's decision to take a "firm line" over the terms and conditions of the Professorship at Cambridge

Letter to Pontecorvo from Professor Cyril Dean Darlington congratulating him on his election to the Professorship and offering some advice

Copy of a letter from Pontecorvo to Professor Cyril Dean Darlington informing him of his decision to turn down the job at Harvard

Correspondence between Pontecorvo and Professor Cyril Dean Darlington regarding the Arthur Balfour Professorship at Cambridge

Letter to Pontecorvo from Professor Cyril Dean Darlington thanking him for his letter of congratulations

Typescript copy of Pontecorvo's letter of application for the Lectureship in Genetics at the University of Glasgow

Postcard sent to Pontecorvo from Professor Cyril Dean Darlington saying he would be extremely sorry if Pontecorvo ended up moving to the United States

Bundle of correspondence between Pontecorvo and Professor Cyril Dean Darlington concerning some problems with salary for the Arthur Balfour Chair of Genetics at Cambridge

Correspondence between Pontecorvo and Professor Cyril Dean Darlington about the part in Darlington's book titled The facts of life where he refers to an unknown soldier of World War I and his ideas on "scientific Calvinism" (said to be influenced by one of Bateson's lectures on Mendelism)

Postcard sent to Sir Michael George Parke Stoker from Professor Cyril Dean Darlington

Bundle of correspondence between Pontecorvo and Professor Cyril Dean Darlington, Dr Joseph Grafton Gall, and Professor Harold Garnet ("Mick") Callan conerning Pontecorvo's decision to write up his "wild speculations about crossing over" and his request for Callan and Galls's contributions from the angle of lampbrush chromosome

Draft chapters 1 and 2 of 'Genetics and Development of Ciliate Protozoa' and other papers

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

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

Pontecorvo guestbook