{"id":"claude-cohen-tannoudji","type":"person","url":"https://diginpl.com/people/claude-cohen-tannoudji","language":"en","name":"Claude Cohen-Tannoudji","name_en":"Claude Cohen-Tannoudji","name_ne":null,"description":"French physicist and Nobel laureate (1933–2026)","headline":"French physicist and Nobel laureate (1933–2026)","also_known_as":[],"summary":"Claude Cohen-Tannoudji was a French physicist at the École normale supérieure in Paris. He was known for his experiments in laser cooling. He first proposed Sisyphus cooling and was the first to show that it is possible to cool far beyond the limit expected by sub-Doppler cooling, below the recoil temperature.","summary_more":[],"facts":[{"key":"born","label":"Born","values":[{"text":"1 April 1933","date":"1933-04-01"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q190697#P569"}},{"key":"birthplace","label":"Place of birth","values":[{"text":"Constantine","wikidata":"https://www.wikidata.org/wiki/Q187346"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q190697#P19"}},{"key":"died","label":"Died","values":[{"text":"22 October 2026","date":"2026-10-22"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q190697#P570"}},{"key":"deathplace","label":"Place of death","values":[{"text":"Paris","wikidata":"https://www.wikidata.org/wiki/Q90"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q190697#P20"}},{"key":"citizenship","label":"Citizenship","values":[{"text":"France","wikidata":"https://www.wikidata.org/wiki/Q142"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q190697#P27"}},{"key":"occupation","label":"Occupation","values":[{"text":"physicist","wikidata":"https://www.wikidata.org/wiki/Q169470"},{"text":"university teacher","wikidata":"https://www.wikidata.org/wiki/Q1622272"},{"text":"researcher","wikidata":"https://www.wikidata.org/wiki/Q1650915"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q190697#P106"}},{"key":"education","label":"Education","values":[{"text":"École Normale Supérieure","wikidata":"https://www.wikidata.org/wiki/Q83259"},{"text":"Science Faculty of Paris","wikidata":"https://www.wikidata.org/wiki/Q3064332"},{"text":"Lycée Émir Abdelkader","wikidata":"https://www.wikidata.org/wiki/Q20745373"},{"text":"Les Houches School of Physics","wikidata":"https://www.wikidata.org/wiki/Q273500"},{"text":"University of Paris","wikidata":"https://www.wikidata.org/wiki/Q209842"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q190697#P69"}},{"key":"awards","label":"Awards","values":[{"text":"Grand Cross of the National Order of Scientific Merit","wikidata":"https://www.wikidata.org/wiki/Q17613667","date":"2004"},{"text":"CNRS Gold medal","wikidata":"https://www.wikidata.org/wiki/Q1957671","date":"1996"},{"text":"Nobel Prize in Physics","wikidata":"https://www.wikidata.org/wiki/Q38104","date":"1997"},{"text":"Harvey Prize","wikidata":"https://www.wikidata.org/wiki/Q1587906","date":"1996"},{"text":"Jean-Ricard Prize","wikidata":"https://www.wikidata.org/wiki/Q2111249","date":"1971"},{"text":"Three Physicists Prize","wikidata":"https://www.wikidata.org/wiki/Q1282608","date":"1986"},{"text":"Paul Langevin Award","wikidata":"https://www.wikidata.org/wiki/Q1542976","date":"1963"},{"text":"Gay-Lussac-Humboldt-Prize","wikidata":"https://www.wikidata.org/wiki/Q1496528","date":"1990"},{"text":"Charles Hard Townes Award","wikidata":"https://www.wikidata.org/wiki/Q1064731","date":"1993"},{"text":"Grand Cross of the Legion of Honour","wikidata":"https://www.wikidata.org/wiki/Q10855226","date":"2016-03-25"},{"text":"Matteucci Medal","wikidata":"https://www.wikidata.org/wiki/Q1419938","date":"1995"},{"text":"Prix Ampère","wikidata":"https://www.wikidata.org/wiki/Q262340","date":"1979"},{"text":"Young Medal and Prize","wikidata":"https://www.wikidata.org/wiki/Q8058296","date":"1979"},{"text":"Honorary doctor of the University of Liège","wikidata":"https://www.wikidata.org/wiki/Q23700921","date":"2000"},{"text":"honorary doctor of the Université libre de Bruxelles","wikidata":"https://www.wikidata.org/wiki/Q28493923","date":"1999"}],"source":{"label":"Wikidata","url":"https://www.wikidata.org/wiki/Q190697#P166"}}],"office":null,"sections":[],"cited":[],"cited_from":null,"videos":[],"last_reviewed":null,"organizations":[],"same_as":["https://en.wikipedia.org/wiki/Claude_Cohen-Tannoudji","https://www.wikidata.org/wiki/Q190697"],"faq":[{"q":"When was Claude Cohen-Tannoudji born?","a":"Claude Cohen-Tannoudji was born on 1 April 1933 in Constantine."},{"q":"Where did Claude Cohen-Tannoudji study?","a":"Claude Cohen-Tannoudji was educated at École Normale Supérieure, Science Faculty of Paris, Lycée Émir Abdelkader, Les Houches School of Physics."}],"related":[{"name":"Alain Aspect","url":"https://diginpl.com/people/alain-aspect"},{"name":"Albert Fert","url":"https://diginpl.com/people/albert-fert"},{"name":"Alfred Kastler","url":"https://diginpl.com/people/alfred-kastler"},{"name":"André Frédéric Cournand","url":"https://diginpl.com/people/andre-frederic-cournand"},{"name":"André Michel Lwoff","url":"https://diginpl.com/people/andre-michel-lwoff"},{"name":"Anne L'Huillier","url":"https://diginpl.com/people/anne-l-huillier"},{"name":"Charles Nicolle","url":"https://diginpl.com/people/charles-nicolle"},{"name":"Charles Richet","url":"https://diginpl.com/people/charles-richet"},{"name":"François Jacob","url":"https://diginpl.com/people/francois-jacob"},{"name":"Gabriel Lippmann","url":"https://diginpl.com/people/gabriel-lippmann"},{"name":"Georges Charpak","url":"https://diginpl.com/people/georges-charpak"},{"name":"Gérard Mourou","url":"https://diginpl.com/people/gerard-mourou"}],"places_in":[],"nearby":[],"image":{"url":"https://diginpl.com/kb-img/claude-cohen-tannoudji-562c850030.jpg","width":500,"height":652,"license":"CC BY-SA 4.0","credit":"Amir Bernat","page":"https://commons.wikimedia.org/wiki/File:Claude_Cohen-Tannoudji_(cropped).JPG"},"sources":[{"label":"Wikipedia (English): Claude Cohen-Tannoudji","url":"https://en.wikipedia.org/wiki/Claude_Cohen-Tannoudji","license":"https://creativecommons.org/licenses/by-sa/4.0/"},{"label":"Wikidata item Q190697","url":"https://www.wikidata.org/wiki/Q190697","license":"https://creativecommons.org/publicdomain/zero/1.0/"},{"label":"Image: Claude Cohen-Tannoudji (cropped).JPG by Amir Bernat (CC BY-SA 4.0)","url":"https://commons.wikimedia.org/wiki/File:Claude_Cohen-Tannoudji_(cropped).JPG","license":null}],"license":{"text":"CC BY-SA 4.0","url":"https://creativecommons.org/licenses/by-sa/4.0/","facts":"https://creativecommons.org/publicdomain/zero/1.0/"},"attribution":"Text from the Wikipedia article Claude Cohen-Tannoudji, licensed under CC BY-SA 4.0. This page's text is shared under the same licence. Facts from Wikidata (CC0). Image: Claude Cohen-Tannoudji (cropped).JPG — Amir Bernat, CC BY-SA 4.0.","cite":"\"Claude Cohen-Tannoudji\". DigiNepal. Last updated 3 November 2026. https://diginpl.com/people/claude-cohen-tannoudji. Retrieved 6 November 2026.","date_modified":"2026-11-03T10:29:10Z","facts_checked":"2026-11-06","alternates":{"html":"https://diginpl.com/people/claude-cohen-tannoudji","en":"https://diginpl.com/people/claude-cohen-tannoudji","ne":"https://diginpl.com/people/claude-cohen-tannoudji?lang=ne"}}