"A co-author of a new Heritage Foundation study highly critical of the Senate’s bipartisan immigration proposal also wrote a doctoral dissertation in which he argued that immigrants generally had an I.Q. that was “substantially lower than that of the white native population.”
Jason Richwine, who joined the Heritage Foundation in 2012 as a senior policy analyst after receiving his doctorate in public policy from Harvard University in 2009, focused his dissertation, “I.Q. and Immigration Policy,” on his view that the lower intelligence of immigrants should be considered when drafting immigration policy."
Critic of Immigration Proposal Cited Lower I.Q. of Immigrants in Dissertation - The New York Times