This would become known as the Big Bang Theory.
Lemaitre gave his lecture and theory, Albert Einstein stood up and said: "this is the most lovely and satisfying explanation of the universe that I have ever heard."He was elected a member of the Royal Academy of Sciences and Belgium Arts and the Pontifical Academy of Sciences".
He became the professor of astrophysics at the Catholic University of Leuven In 1927.
Born on July 17, 1894, in the Belgian city of Chaleroi, Lemaitre was a Jesuit Catholic who was attracted to both science and theology.More news: Thai boys recount their ordeal and rescue, SE Asia News & Top Stories
"Your calculations are correct, but your physics is atrocious", Einstein said, two years before changing his mind.
A civil engineer, he served as an artillery officer in the Belgian Army during World War I, after which he entered a seminary in 1923 and was ordained as a priest. However, after the war, he resumed his study in mathematics and physics, and took up a job as a part-time lecturer at the Catholic University of Leuven.
Albert Einstein, who Lemaitre had a long-term professional and personal relationship with, discredited the theory at the time, but was obviously later proved wrong.
Today, Google celebrates the extraordinary life of Georges Lemaitre by creating a doodle of him in the midst of an ever-expanding mass of galaxies and light, just as he first theorised. His theory was confirmed by Edwin Hubble and is now known as Hubble's Law.More news: Sharks attack two children in NY , officials say
Post, this Lemaitre had delivered his lecture and theory to a group of some famous and respected scientists in 1933 at the California Institute of Technology, Einstein applauded him and quoted: "This is the most lovely and satisfactory explanation of creation to which I ever listened".
Lemaitre passed away on June 20, 1966, shortly after learning of the discovery of cosmic microwave background radiation.
Still Lemaitre was not completely overlooked in his day.More news: Horror as trapeze act falls in dramatic 'America's Got Talent' performance