Harvard geologist Kirtley F. Mather was an activist for academic freedom (advocating for teaching evolution and against faculty loyalty oaths) and president of Promoting Enduring Peace. Kennard B. Bork writes in GSA Today that he had a “deep belief in the mutual powers of the scientific endeavor and religious faith”.

He published two books in 1928, Old Mother Earth and Science in Search of God, that express many of his passions. Both join the public domain in 36 days. #PublicDomainDayCountdown