Then along came Darwin

For Augustine, the Prime Mover was God (though the learned bishop was properly respectful of what he called “the genius of man”); for others, as centuries passed and secular philosophies took command, the Prime Mover became social conflict, geographic position, national or class consciousness, or, especially after Darwin's “The Origin of The Species” was published in 1859, genetic factors: those in individuals and those to be found in genetic groups, whether we call them races or breeding pattern