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

About the English title of W. Pauli and C. G. Jung's book 'Naturerklärung und Psyche'.

Margenau accepts Pauli's invitation to the symposium on "Phenomenon and Reality". He gives a brief sketch of his attitude to this subject.

Fierz sends a short addition to his letter of the 1st June 1954, fierz_0016-142r.

Fierz writes about an exhibition on Regiomontanus, his life, his mathematical and metaphysical beliefs.

Fierz disagrees with Pauli's remarks on Fierz's treatment of the ergodic hypothesis.

Fierz writes about the spinor-technique in the group representation theory.