Pi academic

Si-Lead race realist

Controversial English psychologist and self-described "scientific racist" who advocated for a genetic relationship between race and intelligence. He was the editor-in-chief of Mankind Quarterly, a white supremacist journal

He was lecturer in psychology at the University of Exeter and professor of psychology at the Economic and Social Research Institute, Dublin, and at the University of Ulster at Coleraine

Was a professor emeritus of psychology at Ulster University, but had the title withdrawn by the university in 2018

In two books co-written with Tatu Vanhanen, they argued that differences in developmental indexes among various nations are partially caused by the average IQ of their citizens

Also advocated fringe positions regarding sexual differences in intelligence

Also argued that a high fertility rate among individuals of low IQ constitutes a major threat to Western civilisation, as he believed people with low IQ scores will eventually outnumber high-IQ individuals

Argued in favour of anti-immigration and eugenics policies, provoking heavy criticism internationally

His work was among the main sources cited in the book The Bell Curve, and he was one of 52 scientists who signed an opinion piece in the Wall Street Journal entitled "Mainstream Science on Intelligence", which endorsed a number of the views presented in the book