|birth_place       = [[Charleroi]], Belgium
|death_date        = {{death date and age|df=yes|1966|6|20|1894|7|17}}
|death_place       = [[Leuven]], Belgium
|residence         =
|citizenship       =
|nationality       = Belgian
|ethnicity         =
|field             = [[Cosmology]]<br>[[Astrophysics]]
|work_institutions = [[Catholic Varsity o Leuven (1834–1968)|Catholic Varsity o Leuven]]
|alma_mater        = Catholic Varsity o Leuven<br>[[Varsity o Cambridge]]<br>[[Massachusetts Institute o Technology]] (PhD)
|doctoral_advisor  = [[Charles Jean de la Vallée-Poussin]] (Leuven); [[Harlow Shapley]] (MIT)
|doctoral_students = Louis Philippe Bouckaert, Rene van der Borght
|known_for         = [[Metric expansion o space|Theory o the expansion o the universe]]<br>[[Big Bang theory]]<br>[[Lemaître coordinates]]
|author_abbrev_bot =
|author_abbrev_zoo =
|influences        =
|influenced        =
|prizes            = [[Francqui Prize]] <small>(1934)</small><br>[[Eddington Medal]] {{small|(1953)}}
|religion          = Roman Catholicism
|footnotes         =
|signature         = Georges Lemaitre signature.jpg
}}
'''Georges Henri Joseph Édouard Lemaître''' ({{IPA-fr|ʒɔʁʒə ləmɛtʁ|lang|Fr-Georges Lemaître.oga}}; 17 Julie 1894 &ndash; 20 Juin 1966) wis a Belgian [[priest]], [[astronomy|astronomer]] an professor o [[pheesics]] at the [[Catholic Varsity o Leuven (1834–1968)|Catholic Varsity o Leuven]].<ref>{{cite journal|title=Obituary: Georges Lemaitre|journal=Physics Today|date=September 1966|volume=19|issue=9|pages=119|url=http://www.physicstoday.org/resource/1/phtoad/v19/i9/p119_s2?bypassSSO=1|doi=10.1063/1.3048455|access-date=2016-02-03|archive-date=2020-04-06|archive-url=https://web.archive.org/web/20200406111822/http://www.physicstoday.org/resource/1/phtoad/v19/i9/p119_s2?bypassSSO=1|url-status=dead}}</ref> He proponed the theory o the [[Metric expansion o space|expansion o the universe]], widely misattributit tae [[Edwin Hubble]].<ref>{{cite journal |url=http://www.nature.com/news/2011/110627/full/news.2011.385.html |title=Edwin Hubble in translation trouble |first=Eugenie Samuel |last=Reich |date=27 June 2011 |journal=[[Nature (journal)|Nature]] |doi=10.1038/news.2011.385}}</ref><ref>{{cite journal |url=http://www.nature.com/nature/journal/v479/n7372/full/479171a.html |title=Lost in translation: Mystery of the missing text solved |first=Mario |last=Livio |date=10 November 2011 |journal=Nature |volume=479 |issue=7372 |pages=171{{ndash}}173 |doi=10.1038/479171a |bibcode=2011Natur.479..171L}}</ref> He wis the first tae derive whit is nou kent as [[Hubble's law]] an made the first estimation o whit is nou cried the [[Hubble constant]], which he published in 1927, twa years before Hubble's airticle.<ref>[[Sidney van den Bergh]] [http://arxiv.org/abs/1106.1195 arxiv.org] 6 Jun 2011 {{arxiv|1106.1195v1}} [physics.hist-ph]</ref><ref>David L. Block [http://arxiv.org/abs/1106.3928 arxiv.org] 20 Jun 2011  & 8 Jul 2011 {{arxiv|1106.3928v2}} [physics.hist-ph]</ref><ref>Eugenie Samuel Reich [http://www.nature.com/news/2011/110627/full/news.2011.385.html Published online 27 June 2011| Nature|] {{doi|10.1038/news.2011.385}}</ref><ref>http://www.nature.com/nature/journal/v479/n7372/full/479171a.html</ref>
Lemaître an aa proposed whit acame kent as the [[Big Bang]] theory o the origin o the [[Universe]], which he cried his "hypothesis o the [[primeval atom]]" or the "Cosmic Egg".<ref>{{cite web|title=Big bang theory is introduced - 1927|url=http://www.pbs.org/wgbh/aso/databank/entries/dp27bi.html|website=A Science Odyssey|publisher=WGBH|accessdate=31 July 2014}}</ref>