Copy of a letter from Pontecorvo to Dr Paul Christopher Mangelsdorf of the Botanical Museum at Harvard University, concerning a number of matters, including making arrangements for his next visit to Harvard in April 1958

Letter to Pontecorvo from Franco Dino Rasetti giving his opinion on Pontecorvo's offer of a job at Harvard University

Letter to Pontecorvo from Adrian [M Srb] concerning Pontecorvo's decision to turn down the job at Harvard

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

Letter to Pontecorvo from Dr Paul Christopher Mangelsdorf concerning Pontecorvo's decision to turn down the job at Harvard

Official Register of Harvard University, Department of Biology, containing Pontecorvo's notes on finances and salaries

Bundle of correspondence between Pontecorvo and Professor Sydney C Harland in which Pontecorvo asks for advice about the Harvard position

Letter to Pontecorvo from Edward Hindle recommending him to take the job at Harvard

Letter to Pontecorvo from Professor Boris Ephrussi in response to Pontecorvo's letter asking for advice on what to do about the job offered at Harvard University

Correspondence between Pontecorvo and Professor Paul Doty concerning Pontecorvo's offer of a job at Harvard

Letter to Pontecorvo from Professor Ernst Mayr concerning Pontecorvo's decision to turn down the job at Harvard

Copies of thank you letters sent from Pontecorvo to colleagues and friends met during his recent trip to Harvard University

Large bundle of correspondence between Pontecorvo and Professor McGeorge Bundy, Dean of the Faculty of Arts and Science, regarding Pontecorvo's visit to Harvard University and offer of a position to work in the Department of Biology there

Letter to Pontecorvo from Professor Frank M Carpenter concerning Pontecorvo's decision to turn down the job at Harvard

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

Correspondence between Pontecorvo and Professor Boris Ephrussi concerning Pontecorvo's decision to turn down the offer of a job at Harvard

Letter to Pontecorvo from Dr Renato Dulbecco offering his advice on the Harvard University job offer

Career and appointments

Letter from Ray A. Goldberg to Ian Wilmut regarding a meeting of the Private and Public Science, Academic, and Consumer Food Policy Group (PAPSAC) at Harvard University