### Sir Francis Galton

(Essay found in Nesselroade & Grimm, 2019; pgs. 596 – 597) Francis Galton (1822–1911) is credited with developing the concepts of correlation and regression, although his understudy, Karl Pearson, was responsible for many of the mathematical underpinnings of correlation. Galton led a full and varied life. Born into a wealthy English family, he was afforded the luxury of indulging his scientific curiosities. In the mid-1800s, European explorers were mapping the interior of Africa. Perhaps inspired by the travels of his prodigious cousin, Charles Darwin, Galton departed for Africa at the age of 28. His maps of unknown regions of Africa