Karl Pearson
(Essay found in Nesselroade & Grimm, 2019; pgs. 532 – 533) Karl Pearson was born in London in 1857, two years before Darwin published Origin of Species, a work that would shape Pearson’s entire academic life. It is reasonable to consider Pearson the father of modern statistics. Pearson completed the work on correlation that Galton had started, arriving at the coefficient that bears his name (the Pearson product-moment correlation). He subsequently devised formulas for computing correlations for variables that are noncontinuous (see Chapter 18). Pearson is responsible for many of the concepts and statistical terms that were introduced earlier in