Georges Lemaître

Monsignor Georges Lemaître (Georges Henri Joseph Édouard Lemaître, 17 July 1894 – 20 June 1966) was a Belgian priest, astronomer , mathematician and professor of physics at the Catholic University of Louvain.

The Reverend Monsignor Georges Lemaître
Sculpture of Lemaître
Born	(1894-07-17)17 July 1894 Charleroi, Belgium
Died	20 June 1966(1966-06-20) (aged 71) Leuven, Belgium
Nationality	Belgian
Alma mater	Catholic University of Leuven St Edmund's House, Cambridge Massachusetts Institute of Technology
Known for	Theory of the expansion of the universe Big Bang theory Lemaître coordinates
Awards	Francqui Prize (1934) Eddington Medal (1953)
Scientific career
Fields	Cosmology Astrophysics Mathematics
Institutions	Catholic University of Leuven
Doctoral students	Louis Philippe Bouckaert, Rene van der Borght
Signature

He was the first person to say the Universe is growing. Some people think it was Edwin Hubble, but that is not correct. Lemaître was also the first to make the Hubble's law and the Hubble constant. Lemaître also started what became known as the Big Bang theory of the origin of the Universe. He called it his 'hypothesis of the primeval atom'.

Georges Lemaître Media

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  Robert Millikan, Lemaître and Albert Einstein after Lemaître's lecture at the California Institute of Technology in January 1933.

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  According to the Big Bang theory, the universe emerged from an extremely dense and hot state (singularity). Space itself has been expanding ever since, carrying galaxies with it, like raisins in a rising loaf of bread. The graphic scheme above is an artist's conception illustrating the expansion of a portion of a flat universe.

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  "L'Hypothèse de l'Atome primitif" (The Primeval Atom – an Essay on Cosmogony) (1946)

References

Part of a series of articles about
General relativity
[math]\displaystyle{ G_{\mu \nu} + \Lambda g_{\mu \nu}= {8\pi G\over c^4} T_{\mu \nu} }[/math]
Introduction History Mathematical formulation Tests
Fundamental concepts Principle of relativity Theory of relativity Frame of reference Inertial frame of reference Rest frame Center-of-momentum frame Equivalence principle Mass–energy equivalence Special relativity Doubly special relativity de Sitter invariant special relativity World line Riemannian geometry
Phenomena Gravitoelectromagnetism Kepler problem Gravity Gravitational field Gravity well Gravitational lensing Gravitational waves Gravitational redshift Redshift Blueshift Time dilation Gravitational time dilation Shapiro time delay Gravitational potential Gravitational compression Gravitational collapse Frame-dragging Geodetic effect Gravitational singularity Event horizon Naked singularity Black hole White hole Spacetime Space Time Spacetime diagrams Minkowski spacetime Closed timelike curve (CTC) Wormhole Ellis wormhole
Equations Formalisms Equations Linearized gravity Einstein field equations Friedmann Geodesics Mathisson–Papapetrou–Dixon Hamilton–Jacobi–Einstein Curvature invariant (general relativity) Lorentzian manifold Formalisms ADM BSSN Post-Newtonian Advanced theory Kaluza–Klein theory Quantum gravity Supergravity
Solutions Schwarzschild (interior) Reissner–Nordström Gödel Kerr Kerr–Newman Kasner Lemaître–Tolman Taub-NUT Milne Robertson–Walker pp-wave van Stockum dust Weyl−Lewis−Papapetrou Vacuum solution (general relativity) Vacuum solution
Scientists Einstein Lorentz Hilbert Poincaré Schwarzschild de Sitter Reissner Nordström Weyl Eddington Friedman Milne Zwicky Lemaître Gödel Wheeler Robertson Bardeen Walker Kerr Chandrasekhar Ehlers Penrose Hawking Raychaudhuri Taylor Hulse van Stockum Taub Newman Yau Thorne others