Krolikowski sends Pauli a draft of a theory of strangeness in strong interactions.

Kröner replies to Pauli's questions concerning the infinity of space. He writes of the participation in the intelligible world of Greek science and its destruction in Christianity. He writes about Burtt's book and its significance.

Kröner's reply to Fierz's letter. He writes about the relation between physics and the physicist, and speaks about the concept of wholeness.

Kröner's tentative remarks for a lecture on physical science and the relationalization of life.

Kröner makes some additional comments on their conversation of 14 July. He speaks about the contents of consciousness, phenomenalism and realism, reality in quantum physics, the borderline between science and the absolute. He opposes Weizsäcker's interpretation of experiments.

Kröner's reply to Pauli's letter of 5 Feb. He speaks about the classification of cognition in Plato. He makes some remarks on Leibniz's philosophy and scholasticism.

Lanczos thanks Pauli for his reply to his letter of 27 Nov, which clarifies the point in question.

Lanczos refers to Pauli's paper (in: Phys. Z. : 20 (1919), pp.457), with a special reference to the quadratic invariants of curvature. He asks about the clarification of the identity (B), p.460 l.c.

Landau has heard from Weisskopf about Pauli's and Heisenberg's theory and would like to know more about it.

Landau agrees with Pauli on Heisenberg's theory. He makes remarks on Lee's model and future theory.