J. P. Rushton, one of the foremost scientists in human behavior, has died on October 2nd. His contributions were many and expansive, particularly in the areas of altruism and genetic similarity, behavior and life history theory, and IQ and population, as Steve Sailer also discusses.
For me, what was fascinating about Rushton—in addition to his academic contributions—was that he seemed like he was a genuinely decent guy—a far cry from the racist villain that his detractors made him out to be. I would have liked to have met him. See a few of his videos below, including a talk he gave in 2006 about the importance of genetic similarity to human behavior and about IQ and race.
Also, see these two papers, co-authored by Rushton and educational psychologist and foremost expert on IQ, Arthur Jensen. Both are key works in the field of human biodiversity: