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Career

Sommerfeld asked Pauli to review the theory of relativity for the Encyklopädie der mathematischen Wissenschaften (Encyclopedia of Mathematical Sciences). Two months after receiving his doctorate, Pauli completed the article, which came to 237 pages. Einstein praised it; published as a monograph, it remains a standard reference on the subject.

Pauli spent a year at the University of Göttingen as the assistant to Max Born, and the next year at the Institute for Theoretical Physics in Copenhagen (later the Niels Bohr Institute). From 1923 to 1928, he was a professor at the University of Hamburg. During this period, Pauli was instrumental in the development of the modern theory of quantum mechanics. In particular, he formulated the exclusion principle and the theory of nonrelativistic spin.

In 1928, Pauli was appointed Professor of Theoretical Physics at ETH Zurich in Switzerland. He was awarded the Lorentz Medal in 1930. He held visiting professorships at the University of Michigan in 1931 and the Institute for Advanced Study in Princeton in 1935.