Monsignor Georges Lemaître was a Belgian physicist who wrote The Primeval Atom and is regarded as the father of the Big Bang model.

Quotes by Georges Lemaître in Time One

[T]he whole story of the world need not have been written down in the first quantum like a song on the disc of a phonograph.

If this suggestion is correct, the beginning of the world happened a little before the beginning of space and time.

The whole matter of the world must have been present at the beginning, but the story it has to tell may be written step by step.

The surface of the Earth as a whole has no boundary; why should it not be the same for the whole of space?

This is constantly – how do you say – thrown up to me. Religion has no bearing either on my theories, or that of the steady state. An atheist or a Christian could logically support either one of them. … I do not believe that God ever intended to disclose to man what man could find out for himself.

… the now without a yesterday …

I still believe I will be proved right.