George Francis FitzGerald

George Francis FitzGerald FRS HonFRSE MRIA
Born	(1851-08-03)3 August 1851 Dublin, Ireland
Died	21 February 1901(1901-02-21) (aged 49) Dublin, Ireland
Resting place	Mount Jerome Cemetery, Dublin
Alma mater	Trinity College Dublin
Known for	Postulating length contraction (1889)
Spouse	Harriette Mary Jellett ​ ​ (m. 1885)​
Children	8
Father	William FitzGerald
Relatives	John Hewitt Jellett (father-in-law) George Johnstone Stoney (uncle) Bindon Blood Stoney (uncle)
Awards	MRIA (1878) FRS (1883) Royal Medal (1899) HonFRSE (1900)
Scientific career
Fields	Theoretical physics
Institutions	Trinity College Dublin
15th Erasmus Smith's Professor of Natural and Experimental Philosophy
In office 1881–1901
Preceded by	John Robert Leslie
Succeeded by	William Thrift

Special relativity
Principle of relativity Theory of relativity Formulations
Foundations Einstein's postulates Inertial frame of reference Speed of light Maxwell's equations Lorentz transformation
Consequences Time dilation Length contraction Relativistic mass Mass–energy equivalence Relativity of simultaneity Relativistic Doppler effect Thomas precession Relativistic disk Bell's spaceship paradox Ehrenfest paradox
Spacetime Minkowski spacetime Spacetime diagram World line Light cone
Dynamics Proper time Proper mass Four-momentum
History Precursors Galilean relativity Galilean transformation Aether theories
People Einstein Sommerfeld Michelson Morley FitzGerald Herglotz Lorentz Poincaré Minkowski Fizeau Abraham Born Planck von Laue Ehrenfest Tolman Dirac
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George Francis FitzGerald (3 August 1851 – 21 February 1901) was an Irish theoretical physicist known for length contraction, which became an integral part of Albert Einstein's special theory of relativity.