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).
[3] He was ordained by the New North Unitarian Church, Hingham, Massachusetts, and went on to serve congregations in Evanston, Illinois, Kansas City, Missouri; Birmingham, Michigan; White Plains, New York; Tempe, Arizona; and Quincy, Illinois.
His younger half-brother was Walter Mondale, Vice President of the United States under Jimmy Carter.
From his first wife, Edith Eldred Klose, he had one daughter, Tarand Elose Mondale Swenstad.