I found your book to be a bit of an educator. I really like that part of your culture and nature. The great men are symptoms of the times rather than authors of the changes they lived through. After the 20th century, it's hard not to agree that the great men can influence history. But Lord Acton said, great men are mostly bad men. And we have some pretty good examples of that in the 20th Century.
Matt Ridley talks with EconTalk host Russ Roberts about his latest book, The Evolution of Everything. Ridley applies the lens of emergent order to a wide variety of phenomena including culture, morality, religion, commerce, innovation, and consciousness.