Georges Lemaitre dedicated a Google doodle on his 124th birth anniversary

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Lemaître is still credited with giving a proposal known as the Big Bang theory - which says that the observation universe began with the explosion of a particle.

Today would have been the Belgian Catholic priest's 124th birthday, which is why Google is paying tribute to the influential astronomer.

Fr Georges was also a professor of physics at the Catholic University of Leuven. His role as a priest and a scientist rarely intersected.

The Doodle shows Lemaitres at the center of a "constantly expanding universe" which he had first theorised in his works.

Lemaitre's thesis was based on, and borrowed from Einstein's Theory of General Relativity but when he shared his ideas with the latter, Einstein was least impressed.

In 1931, Lemaitre realised that if the universe is ever expanding, it must have originated from a small, concentrated state. However, two years later, Einstein accepted the calculations to be correct.

Two years later Einstein changed his mind, saying: "This is the most lovely and satisfactory explanation of creation to which I have ever listened".

His theory of an expanding universe was put forward in a 1927 paper, which was published in 1929.

He was also an alumnus of the University of Cambridge and Massachusetts Institute of Technology, Cambridge where he arrived and grows up as an acquaintance with the findings of American astronomers Edwin Hubble and Harlow Shelpey. The paper got wide appreciation and this time, even Einstein approved of his theory. His theory was confirmed by Edwin Hubble and is now known as Hubble's Law. He called it as the "hypothesis of the primeval atom" or the "Cosmic Egg".

Lemaitre's work was widely recognised around the world, and are hugely influential until this day.

He died on 20 June 1966, shortly after having learned of the discovery of cosmic microwave background radiation, which provided further evidence for his own intuitions about the birth of the universe.

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