A Child Is Playing a Game Called "Who Am I

A child is playing a game called "Who Am I?" His clues read, "I am a half-cousin to Charles Darwin, in 1869 I wrote the highly influential book Hereditary Genius, and I attempted to apply evolutionary theory to the study of human abilities." The answer is clearly

A) Alfred Binet.
B) David Wechsler.
C) Sir Francis Galton.
D) Lewis Terman.