W. Pauli informs that he has reported in Hamburg (probably at Hamburg University). No mention of the subject.

Pauli writes of his travel plans to Copenhagen.

Pauli talks about a possibility of meeting Heisenberg at the end of the month. He wants to discuss with him the influence of the finiteness of masses on the form of the potential, the wave-mechanical V-N-scattering problem indefinite metric and the paper and lecture by Nishijima.

Heisenberg explains that the unitarity of the o-matrix and the positive sign of the norm of stationary states in the Hilbert-space I are two aspects of the same fact.

Pauli asks Touschek about his attempt to combine the conservation of barytons and leptons. He writes about his talk with Salam in London.

Pauli makes a letter of recommandation for the appointment of Schafroth as reader in Sydney.

Pauli makes remarks about a paper by Lüders on the TCP-theorem and about the formulation of the parity condition.

Pauli writes on recent parity-experiments by Garwin and Lederman and by Deutsch. It seems that the two components theory is not correct.