Lecture notes taken by Josef Jauch, while a student at the ETH (Eidgenössische Technische Hochschule) Zürich. The original documents are part of the Jauch Archive, held at the Department of Theoretical Physics, University of Geneva, and are reproduced by permission of the University.

Article by Pauli. Wave mechanics, Dirac's theory, spinor fields, Lorentz groups.

This manuscript deals with some ambiguities in the formalism of the field theory.

This manuscipt deals with some ambiguities in the formalism of the field theory.

Hamiltonian function, entropy.

Read at the annual meeting of physical society of Japan held at Tokyo University, on May 2, 1949. Perturbation theory.

Speech by Pauli in honour of H. Weyl.

Reflection on theory and experiment. Preparation for the 3rd Zurich talks.

Scalar photons.