# John Clauser

_American physicist_

Canonical: https://diginpl.com/people/john-clauser
Last updated: 2026-11-01

> John Francis Clauser is an American theoretical and experimental physicist known for contributions to the foundations of quantum mechanics, in particular the Clauser–Horne–Shimony–Holt inequality. Clauser was awarded the 2022 Nobel Prize in Physics, jointly with Alain Aspect and Anton Zeilinger "for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science". In 2023, he declared himself as a climate change denier.

## Quick facts

- **Born:** 1 December 1942 ([Wikidata](https://www.wikidata.org/wiki/Q1365270#P569))
- **Place of birth:** Pasadena ([Wikidata](https://www.wikidata.org/wiki/Q1365270#P19))
- **Citizenship:** United States ([Wikidata](https://www.wikidata.org/wiki/Q1365270#P27))
- **Occupation:** physicist ([Wikidata](https://www.wikidata.org/wiki/Q1365270#P106))
- **Education:** California Institute of Technology; Columbia University ([Wikidata](https://www.wikidata.org/wiki/Q1365270#P69))
- **Official website:** johnclauser.com ([Wikidata](https://www.wikidata.org/wiki/Q1365270#P856))
- **Awards:** Wolf Prize in Physics; Nobel Prize in Physics; Clarivate Citation Laureates ([Wikidata](https://www.wikidata.org/wiki/Q1365270#P166))

## Questions

**When was John Clauser born?**  
John Clauser was born on 1 December 1942 in Pasadena.

**Where did John Clauser study?**  
John Clauser was educated at California Institute of Technology, Columbia University.

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## Sources

- [Wikipedia (English): John Clauser](https://en.wikipedia.org/wiki/John_Clauser) — [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- [Wikidata item Q1365270](https://www.wikidata.org/wiki/Q1365270) — [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)
- [Image: John Francis Clauser (cropped).jpg by Peter Lyons (CC BY-SA 4.0)](https://commons.wikimedia.org/wiki/File:John_Francis_Clauser_(cropped).jpg)

## Licence and attribution

Text from the Wikipedia article John Clauser, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: John Francis Clauser (cropped).jpg — Peter Lyons, CC BY-SA 4.0.

## Cite this page

"John Clauser". DigiNepal. Last updated 1 November 2026. https://diginpl.com/people/john-clauser. Retrieved 5 November 2026.