The concepts of genius and IQ have long been instruments of cultural and economic control. For Slate, Dana Goldstein examines how Donald Trump has bought into these ideas:
Trump’s adoration of IQ testing recalls an especially disturbing period in the history of genius: the late 19th and early 20th century, when social scientists attempted to measure and compare people’s intelligence. The pseudoscience of phrenology claimed that genius could be identified by examining the shape of people’s skulls.