Pauli sends some comments and calculations on Dyson's paper on "longitudinal photons".

Pauli replies to Thellung's letter of the 19th January 1956. He agrees with his view on the renormalization of the meson charge. He writes about the problems of higher approximations and about Rohrlich's work on the electrodynamics of charged scalar mesons.

Pauli writes about the death of H Bradt in New York.

Pauli thanks for Yank's and Feldman's paper. He writes about Glauber's calculations.

Pauli comments on a paper by Fierz. He makes comments on a book recommended to him by Fierz and he also writes on the imaginary antagonism between nations.

Pauli sends his congratulations on Bohr's birthday on the 7th October and this gives him the opportunity to write to Bohr again. He writes about epistemological questions.

This letter is Pauli's reply to Dyson's explanation on renormalization.

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