Apologies for responding to a jab aimed at another FReeper, but I say yes...If your scientist believes that man is an accident of the cosmos. I have found that most men who believe this way also have trouble believing "that they are endowed by their Creator" with certain rights.
An atheist may indeed deny that God had a hand in the founding of our country. He cannot deny that the founders {and many of us today} believed in a Divine scheme.
Those who accept evolution are not necessarily atheists.
If they are, Pope Benedict is an atheist.