Lester Mondale

The Reverend Robert Lester Mondale (May 28, 1904 – August 19, 2003) was an American Unitarian minister and Humanist. He is notable as having signed all three documents popularly called the Humanist Manifesto (the original 1933 one, the second one in 1973, and the third one in 2003 shortly before his death). Provided by Wikipedia