Georges Lemaître: Priest & Scientist; Father of the Big Bang Theory; He was the first to derive what is now known as Hubble's law and made the first estimation

Georges Lemaître: Priest & Scientist; Father of the Big Bang Theory; He was the first to derive what is now known as Hubble's law and made the first estimation of what is now called the Hubble constant, which he published in 1927, two years before Hubble's article. https://en.wikipedia.org/wiki/Georges_Lemaitre https://en.wikipedia.org/wiki/Georges_Lemaitre