Austro-American physicist who was born in Vienna and lived from 1900 to 1958.
A professor at the Federal Institute of Technology, Zürich, and a member
(1935-36, 1940-46) of the Institute for Advanced Study, Princeton, N.J., he won the
1945 Nobel Prize in physics for his exclusion principle, according to which no
two Electrons in an Atom may be in the same quantum state (see Quantum Theory). He also posited the existence of the Neutrino before it was directly observed.