Nathaniel Southgate Shaler (February 20, 1841, Newport, Kentucky - April 10, 1906, Cambridge, Massachusetts) was an American paleontologist and geologist who wrote extensively on the theological and scientific implications of the theory of evolution.Born in 1841, Shaler studied at Harvard College's Lawrence Scientific School under Louis Agassiz. After graduating in 1862, Shaler went on to become a Harvard fixture in his own right, as lecturer (1868), professor of paleontology for two decades (1869-1888) and as professor of geology for nearly two more (1888-1906). Beginning in 1891, he was...