You may want to reacquaint yourself with Francis Galton. Darwin's half cousin and a pioneer in genetics and statistics.
February 1822 – 17 January 1911) was an English Victorian era statistician, progressive, polymath, sociologist, psychologist,[1][2] anthropologist, eugenicist, tropical explorer, geographer, inventor, meteorologist, proto-geneticist, and psychometrician. He was knighted in 1909
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