Copy of a handwritten letter from Pontecorvo to the Principal, Sir Hector Hetherington, concerning the situation with his brother, Bruno Pontecorvo

Copy of a typescript letter from Pontecrovo to Sir Hector Hetherington rgarding his below average salary

Correspondence between Pontecorvo and Sir Hector Hetherington regarding developments in Pontecorvo's patent application for the "method of synthesis of strains of micro-organisms used in industrial processes"

Photocopies of correspondence between Pontecorvo and Sir Hector Hetherington concerning expanding the accomodation of the Genetics Department

Photocopies of correspondence between Pontecorvo, Sir Hector Hetherington and Alexander Bird concerning expanding the accomodation of the Genetics Department

Bundle of correspondence between Pontecorvo, Sir Hector Hetherington, and others, regarding finding a suitable candidate to be the Director of a new plant breeding station in Barbados

Copy of a handwritten letter from Pontecorvo to Sir Hector Hetherington enquiring about an increase in salaries for university professors

Handwritten letter from Sir Hector Hetherington to Pontecorvo following a previous discussion they had had about Pontecorvo's possible move to Harvard

Copy of a typescript letter from Pontecorvo to Sir Hector Hetherington, concerning a number of matters relating to the Department of Genetics

Copy of a handwritten letter from Pontecorvo to the Principal, Sir Hector Hetherington, concerning his salary being below the average recommended for his position and age group, as outlined in the Institute of Biology report on Remuneration of Biologists

Handwritten letter from Sir Hector Hetherington to Pontecorvo informing him of the unanimous decision at University Court to establish a new Chair of Genetics and to appoint him as the first holder of the post

Career and appointments

Photocopies of correspondence between Pontecorvo, Sir Hector Hetherington, Michael Stoker and others, concerning the expansion of the accomodation of the Genetics Department

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