Letters sent to Pontecorvo from Salvador Edward Luria concerning Pontecorvo's recent papers in Nature and research plans

Photographs of Pontecorvo with friends and colleagues at Loch Lomond, 1958, at the Spallanzani Commemoration in Italy in 1959 and of guests at the CIBA Foundation reception in Naples, 1959

Correspondence between Pontecorvo and Salvador Edward Luria concerning Luria's paper on virus reproduction in Science, and Pontecorvo's research at Glasgow

Bundle of black and white photographs from a Genetics Society event in Copenhagen in 1947

Photographs of Pontecorvo with friends and colleagues in Cold Spring Harbor 1956, and at the 100th meeting of the Genetical Society at Cambridge, 1949

Photographs of friends and colleagues in Cold Spring Harbor 1946 and c1955, and in Copenhagen c1955

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

Pontecorvo guestbook

Correspondence chiefly about research topics