This looks interesting -- Scott Page, "The Difference: How the Power of Diversity Creates Better Groups, Firms, Schools, and Societies." From the introduction:

If we sample widely, we're more likely to find the one person who can solve the problem or who can make the key breakthrough.  We did not get the theory of relativ[ity] from a crowd.  We got it from a diverse, novel thinker in a patent office.

I'll let you know how it turns out.