就是子坛的定义40万。大贡献者和IQ的相关性倒是相对较弱，里面说大贡献者一般不是高IQ。

When you look at who really achieves great things, you notice that most of them were not prodigies. They didn’t wow people at age 18, but over the course of their adulthood they found some deep interest in something, and they achieved mastery. Many of society’s great contributors didn’t have an easily identifiable extraordinary ability; they had the right mixture of slight advantages and character traits that came together in the right way.