Atheism Definition

Definition of atheism

1.     archaic :  ungodliness, wickedness

2.     a :  a disbelief in the existence of deity

b :  the doctrine that there is no deity

Here is a very good web page to answer back atheism’s claim by a philosopher Peter Kreeft.

If you want a scientists point of view, someone who was an atheist converted to Christianity here is Francis Collins PBS conversion here.

Another famous priest and scientist that I like is Fr. Robert Spitzer. He has his interview here.