U.S. psychologist made famous by her outstanding work in creating the Bayley Scales of Infant and Toddler Development. First published in 1969, with the latest version released in 2005. Her publications also include many scientific works on human development and psychological characteristics, for which she was recognized with the Distinguished Scientific Contribution Award in 1966.

BAYLEY, NANCY: “As a developmental psychologist, Nancy Bayley (1899-1994) pioneered a lot of work on measuring infant intelligence and toddler development.”