"1931 - A hypothetical particle is predicted by the theorist Wolfgang Pauli. Pauli based his prediction on the fact that energy and momentum did not appear to be conserved in certain radioactive decays. Pauli suggested that this missing energy might be carried off, unseen, by a neutral particle which was escaping detection."
- https://web.archive.org/web/20100925101827/http://www.ps.uci.edu/~superk/neutrino.htmlhttps://icecube.wisc.edu/news/press-releases/2022/11/icecube-neutrinos-give-us-first-glimpse-into-the-inner-depths-of-an-active-galaxy/
https://cdn.journals.aps.org/files/RevModPhys.75.985.pdf
