Yeah, yeah Grant devoted his entire life to doing what he thought was best for the country, but how about listening to your own lectures?
I agree completely that society benefits when the most successful have lots of kids, and the less successful have few (although coercing people is fascistic). So in that spirit, I looked at General Social Survey data and calculated percentiles for the number of offspring had by smart people (WORDSUM of at least 8) who were ages 40-59 during the surveys conducted from 2000 to 2008. I also took the liberty to label guys by their productivity:
UPDATE: The eugenicists were like Shakers. If you're starting something like a new religion, you have to either convert lots of people or breed them if you're going to last. The Grantians seemed to think their prestige and corner on the Truth was enough to make an enduring movement. Meanwhile, the Boasians cranked out PhD after PhD, and took over anthropology departments all across the country as well as the American Anthropological Association by sheer numbers. Their cultural determinism was no closer to the truth than Grant's biological determinism, but truth had nothing to do with who won.