The author rejects a recent African origin for Homo sapiens sapiens and argues that the sub-species' explosive development in intelligence was a Darwinian response by a migratory population domiciled in the challenging climatic conditions of Northwestern Eurasia. The history of Homo s. s. intelligence, and especially of Caucasoid intelligence, is traced, and the spread of Homo s. s. genes into other world populations is charted, with particular attention to the flows of genes into predominantly Mongoloid populations. In conclusion, the article contrasts the success increasingly enjoyed by the Northeast Asiatic intellect against the question mark that hangs over the survival of Western Caucasoid intelligence. Key Words: Intelligence, Cro-Magnon, Homo sapiens sapiens, Caucasoid, Mongoloid, Negroid, Capoid, Amerind, Australid, evolution, migration, Africa, Eurasia. A Revolutionary Intelligence Several millions of visitors have visited the ancient Paleolithic caves of France and Spain, where they have gazed in awe at the artistic achievements of the ancient Cro-Magnon hunters some 25,000 years ago. They have observed in Lascaux and Altamira artistic renderings which in terms of skill and esthetic realization are equal to anything that has since been created, albeit in a rough and ready world where hunter, artist, and citizen were probably encompassed by the same persons. At Cap Blanc they experienced a sculptured frieze of animals that could have been placed on the Parthenon without apologies. Indeed, within the Vatican, the dark confines of the Sistine Chapel realized the same conditions of mysterious sanctity that were evoked in the ancient caves, the flickering wicks that charged the undulating stone canvas. Without doubt the same mentation that characterized the artistic work of a Phidias in Athens or a Michelangelo in Rome inspired these Cro-Magnon artists so many thousands of years earlier. The abstract brain which created these evocations so many thousands of years apart was well in place in Eurasia at a remote period. But it was then unique on our planet, for there were many other people living on our earth, and in the same time frame, who lived much simpler and basic subsistence lives. This brain was a unique creation of evolutionary time. Perhaps it was a fluke that the explosion in size and structure occurred in the north. Their art and technology of a uniquely advanced form was characteristic of these people from the Urals to the Atlantic, from the southern boundaries of the glaciers to southern Europe and into the mid-East and western Asia. These high cognitive Homo sapiens sapiens genes gradually made their way into other geographies and other humans over time, perhaps from c. 150,000 years ago when the brain revolution that revealed itself in the physical morphology and the culture CroMagnons first appeared. In this way the human genus became one species as it was gradually lifted over the brain Rubicon from H. erectus to sapiency. We ought not scoff at this presumptive intelligence, given the simple if beautiful tools, borers, scrapers, hand axes, spear and arrow heads, needles, combs, now made of bone, ivory, flint, precious stones, fabricated with excruciatingly careful and diligent care and perception. Primitive stuff, perhaps, compared to computers and atomic bombs. But remember, we do not judge the achievements of a people by what they have inherited. Rather, the test of any progress in civilization is made by the advances a people make over the previous generation. And these Cro-Magnons even compared to their indigenous competitors in Eur-Asia, the Neanderthals, they too having Caucasoid racial characteristics, but primitive in brow and bone, were way beyond the existing norms of human achievements, both material and cultural. The mind numbing repetitive models of tool production of the Neanderthals and other transitional humans throughout the world was reflective of a brain heavily encased in bone. …