William H. Frey
William Henry Frey is an American demographer and author known for such books as Diversity Explosion.
Frey graduated with B.S. from Ursinus College in 1969 and a Ph.D. in sociology from Brown University in 1974 and is a Senior Fellow at the Brookings Institution.
His work has been covered by such venues as Newsweek, The New York Times, NPR, the Claremont Institute and PBS.