Pauli accepts the invitation to the Nuclear Structure Conference at the Weizmann Institute.

Pauli replies to Racah's letter and manuscript. He remarks on the electrostatic self-energy in the theory of holes.

Pauli talks about Peng's work on the divergences.

Pauli talks about the organization of a colloquium of Israeli physicists in Zürich.

Pauli sends an excerpts from a translation of Bohr's letter.

Pauli reports on his meeting with Delbrück. He discusses the empirical time scale of evolution and its agreement with theoretical prediction-following from "random mutations" and "selection". He talks about Delbrück's opinion as the most important unsolved problems in biology and the importance of the discovery of DNA.

Pauli admits that his objections against Thomas' Theory of fine-structure are not valid, (i.e. that thte concept of spin has to be accepted).

About W. Pauli and his wife's stay in Sicily.

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

Pauli says that Green will coming soon.