A pioneer in statistics, he created the first regression line and developed correlational calculus.  
The inventor of the 'silent' dog whistle, he also attempted to compile a map of human physical beauty in England. A pioneer in statistics, he created the first regression line and developed correlational calculus.  He was the first person to realize that fingerprints were unique.  FTP name this cousin of Charles Darwin whose belief that genius is inherited led him to found the eugenics movement.
The inventor of the 'silent' dog whistle, he also attempted to compile a map of human physical beauty in England.
Francis Galton