11. James Madison
Source: Wikipedia.
Hailed as one of the fathers of the Constitution, James Madison had an IQ of 155, according to Simonton’s estimates.
Madison graduated from what is now Princeton University in 1771 and went on to study law. He collaborated with fellow Federalists Alexander Hamilton and John Jay to produce the Federalist Papers in 1788. Madison also championed and co-authored the Bill of Rights during the drafting of the Constitution, and served as Thomas Jefferson’s Secretary of State from 1801–1809.