God-less America?
We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.””
The unalienable rights of atheists also come from their Creator, whether they wish to acknowledge Him or not.
When he wrote that, Jefferson's idea of a "creator" was likely quite a bit different from yours. That line was also based on George Mason's earlier Virginia Declaration of Rights, which states that rights are "inherent" by nature, not that they are granted by any creator.