He failed to understand the devastating criticisms of the IQ argument Otto Klineberg provided in the 1920s and 1930s and those that other scientists have provided ever since (see articles in Fish 2002, 2013; and Cravens 2009 for examples). He failed to understand the devastating criticisms of the concept of race put forward by anthropologists ever since Boas, by the UNESCO statements (1950 and later), and by anthropologists and geneticists ever since.
