High IQs have often been compared equally to having a high intelligence. In the media, ‘Nerds with high IQs’ often appear to show an almost superhero levels of genius that dazzle the people around them. IQ tests have provided the basis for standardised testing in schools, they are qualifying factor in being able to join intellectual societies in Mensa, and they have been a factor in Western society for over a century. Yet the real history of the IQ tests is often glossed over and is allowed to be swept under the rug. So, how did it become so prevalent, resulting in a century of bias against minority racial groups and neurodivergence?