A few days ago, Sam Simon, one of the creators of The Simpsons, died from colorectal cancer.
Simon had made hundreds of millions of dollars from his involvement with the show and he was a philanthropist in every sense of the word, giving away a large chunk of that money to causes that meant a lot to him. Causes like animal rights.
He was also an atheist and he gave some money to support the 2012 Reason Rally and to American Atheists for some of their billboard campaigns, including this one:
How much money do you think that all amounts to? A few thousand dollars? Perhaps tens of thousands of dollars, if he was feeling extra-generous?