1894 – Lemaitre – bio

George Lemaitre was born in 1894 in Belgium and was an astronomer and physicist who became known for promoting the theory of an expanding universe. In 1927, he published an article titled, “A Homogeneous Universe of Constant Mass and Increasing Radius accounting for the Radial Velocity of Extra Galactic Nebulae”, which used the relativity equations of Einstein to create a model of the universe. The equations described an expanding universe and an associated “red shift” which was confirmed by observational data two years later from Edwin Hubble. This evolved into what is known as “The Big Bang Theory” when Lemaitre extended the theory backwards in time to a “zero state” beginning.

PRECURSOR:
-0325 – Euclid
1608 – Telescope
1768 – Fourier
1777 – Gauss
1842 – red shift – Doppler
1853 – Lorentz

CONCURRENT:
1868 – Hale
1868 – Millikan
1875 – Slipher
1879 – Einstein
1881 – Tolman
1882 – Eddington
1885 – Shapley
1888 – Friedmann
1889 – Hubble
1903 – Robertson
1906 – Godel
1909 – Walker

SUBSEQUENT:
1910 – Chandrasekhar
1915 – Hoyle
1915 – Tukey
1919 – Bondi
1926 – Cooley
1929 – Ehlers
1932 – Sachs
1947 – Guth
1948 – Linde

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