Pauli adds an extract from a letter by Weisskopf about the Geneva conference . He has a positive attitude to Schwinger's last paper. He talks about a spinor-model by Gürsey where the neutrino and not the vacuum creates strangeness.

Pauli writes about his dissociation from the Damm-Dancoff method. He writes about the mirror problem. He comments on publicity given to Heisenberg's work.

Heisenberg writes about his trouble with the journalists and the statement he has made for the press. He talks about recent results of his calculations.

Pauli finds a discrepancy between certain equations in Heisenberg's letter and certain group relations.

Pauli announces that he is forced, because of differences of opinion, to give up the plan of a joint publication with Heisenberg on the isospin group in the theory of elementary particles.