Here are just a few of your atheistic utopian philosophers.
Hitler Murdered over 6 million
Mao tse-tung (Obamas hero) murdered over 65 million
Stalin murdered over 35 million
Poi Pot murdered over 2 million ( one forth of the population of his country).
In the US alone the atheistic philosophy of abortion kills 4,000 babys A DAY.
That's just a few of your fellow atheist.