Pauli writes about possible candidates for an assistantship in his institute. He reports on the New York physics meeting.

Pauli writes about the impossibility of his returning to Switzerland during the war. He writes about new experiments with cosmic rays and about nuclear forces.

Pauli writes about a possible visit to Chicago. He writes about his work on the English edition of his relativity article.

Pauli writes about a discussion with Rabi, and about war physics, and says that he is working on the positron theory.

Pauli says he has attended a physicists' meeting in Philadelphia. He writes about new measurements on the meson shower. Weisskopf is invited to Princeton for three weeks at the end of January. Pauli is doubtful about the work of Havas. He sends messages about Klein and Bohr, and makes some remarks about Delbrück.

Settlement of Weisskopf's travel expenses.

Pauli writes about Delbrück's reaction to Bohr's letter on biology and physics. He is against the orthodox belief that classical genetics and chance selection alone can explain biological evolution. Pauli writes about an illustration by J Neumann describing the attitude of orthodox biologists. He writes about Oppenheimer's View.

Pauli writes further about biology. He believes, like Bohr, in a logical possibility of biological laws, which aren't contained in today's quantum physics.

Pauli makes remarks about a disscussion of the Lee model. He writes about the problem of evolution.

About a report or speech by E. von Kahler on history. Remarks on the concept of history.