For all their brilliance, there are Watts, Davys, Jenners and Youngs galore in every country at every time. But only rarely do sufficient capital, freedom, education, culture and opportunity come together in such a way as to draw them out. Two centuries later, somebody could paint a picture of the great men of Silicon Valley and posterity will stand amazed at the thought that giants like Gordon Moore and Robert Noyce, Steve Jobs and Sergey Brin, Stanley Boyer and Leroy Hood all lived at the same time and in the same place.