Fierz makes some remarks about top-functions.

In this letter, Fierz derives the general expansion for half-integral "Eigenfunctions" of the symmetric top using infinitesimal rotations.

Fierz agrees with Pauli's remark about entropy.

Fierz gives a detailed description of Henry More's philosophy and theology with several quotations.

Fierz discusses the question of which representations of the homogeneous group can be contained in the inhomogeneous Lorentz group.

Fierz' letter concerns the interpretation of a passage in the Timaios. He quotes the passage in Ficino's Latin translation.

Fierz is against the conception that the origins of life are due to a "chance". He agrees with Pauli that one can expect to find spherical gravitational waves.

Fierz sends some additions to his letter of the 29th September 1954 (fierz_0016-15r).

Fierz makes a detailed critical analysis of Weizsäcker's paper in "Die Naturwissenschaft". He rejects in particular Weizsäcker's suggestion of a modified logic for the explanation of the dualism wave-particle.

Fierz writes of his talk with Bohr about Weizsäcker's 'quantum-logic" and of Bohr's rejection of it.